Click to Change

Return to Top

Return to Top

Printer Icon


Copy Options
Red Letter
The Blue Letter Bible

Lexicon :: Strong's H622 - 'āsap̄

Choose a new font size and typeface
Part of Speech
Root Word (Etymology)
A primitive root
Dictionary Aids

TWOT Reference: 140

Strong’s Definitions

אָסַף ʼâçaph, aw-saf'; a primitive root; to gather for any purpose; hence, to receive, take away, i.e. remove (destroy, leave behind, put up, restore, etc.):—assemble, bring, consume, destroy, fetch, gather (in, together, up again), × generally, get (him), lose, put all together, receive, recover (another from leprosy), (be) rereward, × surely, take (away, into, up), × utterly, withdraw.

KJV Translation Count — Total: 200x

The KJV translates Strong's H622 in the following manner: together (51x), gather (86x), assemble (15x), rereward (5x), miscellaneous (51x).

KJV Translation Count — Total: 200x
The KJV translates Strong's H622 in the following manner: together (51x), gather (86x), assemble (15x), rereward (5x), miscellaneous (51x).
  1. to gather, receive, remove, gather in

    1. (Qal)

      1. to gather, collect

      2. to gather (an individual into company of others)

      3. to bring up the rear

      4. to gather and take away, remove, withdraw

    2. (Niphal)

      1. to assemble, be gathered

      2. (pass of Qal 1a2)

        1. to be gathered to one's fathers

        2. to be brought in or into (association with others)

      3. (pass of Qal 1a4)

        1. to be taken away, removed, perish

    3. (Piel)

      1. to gather (harvest)

      2. to take in, receive into

      3. rearguard, rearward (subst)

    4. (Pual) to be gathered

    5. (Hithpael) to gather oneself or themselves

Strong’s Definitions [?](Strong’s Definitions Legend)
אָסַף ʼâçaph, aw-saf'; a primitive root; to gather for any purpose; hence, to receive, take away, i.e. remove (destroy, leave behind, put up, restore, etc.):—assemble, bring, consume, destroy, fetch, gather (in, together, up again), × generally, get (him), lose, put all together, receive, recover (another from leprosy), (be) rereward, × surely, take (away, into, up), × utterly, withdraw.
STRONGS H622: Abbreviations
אָסַף 200 verb gather, remove (Assyrian asâpu, DlPr 45) —
Qal Perfect אָסַף Genesis 30:23 +; אָסַפְתָּ Psalm 85:4, etc.; Imperfect יֶּאֱסֹף 2 Kings 5:3; יַאַסְפֵנִי Psalm 27:10, etc.; also וַיֹּסֶף 2 Samuel 6:1; 2nd person masculine singular תֹּסֵף Psalm 104:29; 1st person singular אֹסְפָה Micah 4:6; so probably (suffix) אִֹֽֽֽספְךָ 1 Samuel 15:6 (read אֹסִפְךָ) see Köi. 382 DrSm; Imperative אֱסֹף Numbers 21:16 + אֶסְפָה Numbers 11:16; 2nd person feminine singular אִסְפִּי Jeremiah 10:17; אִסְפוּ Psalm 50:5 +; Infinitive absolute אָסֹף Jeremiah 8:13 + (Hiph., from סוף according to BaNB 73); construct אֱסֹף 2 Kings 5:7 +; אָסְפְּךָ Exodus 23:16; אָסְפְּכֶם Leviticus 23:39; Participle active אֹסֵף Numbers 19:10; אֹסִפְךָ 2 Kings 22:20; 2 Chronicles 34:28 (pointed אִֹֽֽֽספְךָ i.e. Hiph.; compare Köl.c.); אֹסְפָם Psalm 39:7; passive plural construct אֲסֻפֵי Ezekiel 34:29; —
1. gather, collect
(a) persons Genesis 29:22; Genesis 42:17 (followed by אֶל־) Exodus 3:16; Exodus 4:29; Numbers 11:16, 24; Numbers 21:16; Joshua 2:18 (followed by אֶל־ + ־ה locative) Joshua 24:1 (followed by ־ה locative; all these J E); 1 Samuel 5:8, 11; 2 Kings 23:1 (followed by אֶל־) Joshua 2:16; Isaiah 11:12; Zephaniah 3:8; Habakkuk 2:5; Ezekiel 11:17 (all || קבץ) +; collect men, people, armies, etc., for fighting Numbers 21:23 (E) Judges 11:20; 1 Samuel 17:1; 2 Samuel 10:17; 2 Samuel 12:29 +; compare Zechariah 14:2 (followed by עַל־ against);
(b) once object beasts Jeremiah 12:9;
(c) things, especially fruits ofearth Exodus 23:10, 16 (Covenant code) Leviticus 25:3, 20, 39 (H) Deuteronomy 11:14; Deuteronomy 16:13; Deuteronomy 28:38; Isaiah 17:5; Jeremiah 40:10, 12; Job 39:12; Psalm 39:7; compare Ruth 2:7 (|| לקט glean); the quails Numbers 11:32 (twice in verse); food in general (מַאֲכָל) Genesis 6:21 (followed by אֶל־); eggs Isaiah 10:14; money 2 Kings 22:4; 2 Chronicles 24:11; ashes of red heifer Numbers 19:9, 10; chariots 1 Kings 10:26; 2 Chronicles 1:14, etc.; of fisherman (בְּמִכְמַרְתּוֺ, in metaphor) Habakkuk 1:15; of collecting wind Proverbs 30:4 מִי ר־וּחַ בְּחָפְנָיו א׳.
2. gather an individual into company of others:
(a.) object person especially gather to one's father 2 Kings 22:20 (עַל־אֲבֹתֶיךָ) = 2 Chronicles 34:28 (אֶל־; both || Niph. of same verb which see); hence also
(b.) bring, object person 1 Samuel 14:52 (on form here see Dr) 2 Samuel 11:27 (both followed by אֶל־), association, responsibility, protection being implied; also of stray ox or sheep Deuteronomy 22:2 (followed by אֶל־תּוֺח); hence also
(c.) take up, care for, subject י׳ Psalm 27:10 (compare perhaps Isaiah 40:11 קבץ);
(d.) draw up the feet upon the bed (אֶל־) Genesis 49:33.
3. bring up the rear of Isaiah 58:8 יַאַסְפֶ֑ךָ כְּבוֺד י׳ i.e. be thy rear-guard (|| הָלַח לְפָנֶיךָ צִדְקֶ֑ךָ) — Isaiah 52:12 has Pi. מְאַסִּפְכֶם which see.
†4. gather and take away, remove, withdraw 1 Samuel 14:19 (object hand), Jeremiah 10:17 (bundle, followed by מִן), leprosy 2 Kings 5:11 (see H6879 צרע); compare also מִצָּרַעַת א׳, remove (set free) a man from leprosy 2 Kings 5:3; 2 Kings 5:6; 2 Kings 5:7; Genesis 30:23; Isaiah 4:1 (reproach), Psalm 85:4 (wrath, || הֵשִׁיב), Jeremiah 16:5 (peace, followed by מִן), Joel 2:10; Joel 4:15 (light), Psalm 26:9 (נֶפֶשׁ) so Judges 18:25; Psalm 104:29 (רוּחַ) see also Job 34:14 (followed by אֶל־); hence destroy 1 Samuel 15:6 object person); passive אֲסֻפֵי רָעָב destroyed with hunger Ezekiel 34:29; also Infinitive absolute Jeremiah 8:13; Zephaniah 1:2 (joined with הֵסִיף from סוף, see Köi. 445; considered Hiph. Infinitive absolute by BaNB 73 see above).
Niph. Perfect נֶאֱסַף Numbers 27:13 + נֶאֶסְפָה Jeremiah 48:33 etc.; Imperfect יֵאָסֵף Exodus 9:19 +; וַיֵּאָ֫סֶף Genesis 25:8 +; יֵאָסֵפ֑וּן Psalm 104:22 etc.; Imperative הֵאָסֵף Deuteronomy 32:50; הֵאָֽסְפִי Jeremiah 47:6; הֵאָֽסְפוּ Genesis 49:1 +; Infinitive absolute הֵאָסֹף 2 Samuel 17:11 (on form compare BaNB 74); construct הֵאָסֵף Genesis 29:7; Numbers 12:15; Participle נֶאֱסָף Genesis 49:29; נֶאֱסָפִים 1 Samuel 13:11; Isaiah 13:14; נֶאְסָפִים Isaiah 57:1; —
1. assemble, be gathered, reflexive
(a.) subject men Genesis 49:1 (|| קבץ Genesis 49:2), Isaiah 43:9 (|| קבץ), 2 Chronicles 30:3 (followed by לְ) 2 Chronicles 30:13 (followed by accusative of location), Ezra 3:1; Ezra 9:4; Nehemiah 8:1, 13 (all followed by אֶל־) Nehemiah 9:1; Nehemiah 12:28; earlier mostly of assembling for war Genesis 34:30 (followed by עַל־), Joshua 10:5; Judges 6:33; Judges 9:6; Judges 10:17 || נצעק), Judges 20:11 (followed by אֶל־) Judges 20:14 (followed by ־ה locative), 1 Samuel 13:11 (followed by accusative of location) +;
(b.) subject flocks, etc. Genesis 29:3 (passive; followed by שָׁמָּה) Genesis 29:7; Genesis 29:8 (all J); fish Numbers 11:22 (compare Habakkuk 1:25 Qal);
(c.) inanimate subject herbs Proverbs 27:25; water 2 Samuel 14:14 (in simile); bones for burial Jeremiah 8:2; compare Jeremiah 25:33 (bodies of slain) see also Ezekiel 29:5 (|| קבץ which Co reads קבר), apparently = compose, arrange for burial. **So יֵאָסֵף Job 27:19; but read probably יֹאסִף = יוֺסִף (Ex 5:7), Greek Version of the LXX Syriac Version Ew De Di Du.
2. passive of Qal 2;
(a) be gathered to one's fathers אֶל־אֲבוֺתָיו נֶא׳ Judges 2:10; elsewhere to one's people אֶל־עַמָּיו (all P) Genesis 25:8, 17; Genesis 35:29 (|| וַיִּגְוַע וַיָּמָת) Genesis 49:29, 33 (|| גוע), Numbers 20:24, 26 (|| מות Numbers 27:13 (twice in verse); Numbers 31:2; Deuteronomy 32:50 (twice in verse) (both || מות); also אֶל־קִבְרֹתֶיךָ 2 Kings 22:20 2 Chronicles 34:28 both || Qal which see); hence also
(b.) be brought in (into association with others, etc.) Numbers 12:14, 15 (E) of Miriam, after leprosy; also reflexive betake oneself, of Moses Numbers 11:30 (E), compare 2 Samuel 17:13 (both followed by אֶל־); even with inanimate subject Jeremiah 47:6 הֵאָֽסְפִי אֶל־תַּעְרֵח (addressed to sword); of man & beast brought home (followed by ־ה locative) for protection Exodus 9:19.
3. Passive of Qal 4; be taken away, removed, perish, of men Isaiah 57:1 (twice in verse) (|| אבד); fish Hosea 4:3; gladness Isaiah 16:10; Jeremiah 48:33 (followed by מִן); also reflexive, withdraw itself, of moon Isaiah 60:20 (|| בוא שׁמשׁ).
Pi. Participle מְאַסֵּף Numbers 10:25 +; מְאָֽסְפָיו Isaiah 62:9 (so BD see Kö i. 201); מְאַסִּפְכֶם Isaiah 52:12; —
1. gather harvest Isaiah 62:9 (|| קבץ); bodies for burial Jeremiah 9:21.
2. take in, receive into (followed by בַּיְתָה) Judges 19:15, 18.
3. as substantive rearguard, rearward Numbers 10:25 (P) Joshua 6:9, 13 (both E); figurative of God Isaiah 52:12.
Pu. Perfect וְאֻסַּף (construct) Isaiah 33:4; Zechariah 14:14 etc.; Participle מְאֻסָּף Ezekiel 38:12be gathered, of men Isaiah 24:22; Hosea 10:10 (followed by עַל against), Ezekiel 38:12; booty Isaiah 33:4; wealth Zechariah 14:14.
Hithp. Infinitive הִתְאַסֵּף Deuteronomy 33:5 gather themselves.
Brown-Driver-Briggs Hebrew and English Lexicon, Unabridged, Electronic Database.
Copyright © 2002, 2003, 2006 by Biblesoft, Inc.
All rights reserved. Used by permission. BibleSoft.com

BLB Scripture Index of Brown-Driver-Briggs


6:21; 25:8; 25:8; 25:17; 29:3; 29:7; 29:7; 29:8; 29:22; 30:23; 30:23; 34:30; 35:29; 42:17; 49:1; 49:1; 49:2; 49:29; 49:29; 49:33; 49:33


3:16; 4:29; 5:7; 9:19; 9:19; 23:10; 23:16; 23:16


23:39; 25:3; 25:20; 25:39


10:25; 10:25; 11:16; 11:16; 11:22; 11:24; 11:30; 11:32; 12:14; 12:15; 12:15; 19:9; 19:10; 19:10; 20:24; 20:26; 21:16; 21:16; 21:23; 27:13; 27:13; 31:2


11:14; 16:13; 22:2; 28:38; 32:50; 32:50; 33:5


2:16; 2:18; 6:9; 6:13; 10:5; 24:1


2:10; 6:33; 9:6; 10:17; 11:20; 18:25; 19:15; 19:18; 20:11; 20:14



1 Samuel

5:8; 5:11; 13:11; 13:11; 14:19; 14:52; 15:6; 15:6; 17:1

2 Samuel

6:1; 10:17; 11:27; 12:29; 14:14; 17:11; 17:13

1 Kings


2 Kings

5:3; 5:3; 5:6; 5:7; 5:7; 5:11; 22:4; 22:20; 22:20; 22:20; 23:1

2 Chronicles

1:14; 24:11; 30:3; 30:13; 34:28; 34:28; 34:28


3:1; 9:4


8:1; 8:13; 9:1; 12:28


27:19; 34:14; 39:12


26:9; 27:10; 27:10; 39:7; 39:7; 50:5; 85:4; 85:4; 104:22; 104:29; 104:29


27:25; 30:4


4:1; 10:14; 11:12; 13:14; 16:10; 17:5; 24:22; 33:4; 33:4; 40:11; 43:9; 52:12; 52:12; 52:12; 57:1; 57:1; 58:8; 60:20; 62:9; 62:9


8:2; 8:13; 8:13; 9:21; 10:17; 10:17; 12:9; 16:5; 25:33; 40:10; 40:12; 47:6; 47:6; 48:33; 48:33


11:17; 29:5; 34:29; 34:29; 38:12; 38:12


4:3; 10:10






1:15; 2:5


1:2; 3:8


14:2; 14:14; 14:14

Word / Phrase / Strong's Search

Strong's Number H622 matches the Hebrew אָסַף ('āsap̄),
which occurs 202 times in 188 verses in the WLC Hebrew.

Page 1 / 4 (Gen 6:21–Jos 10:5)

Unchecked Copy BoxGen 6:21 - And take thou unto thee of all food that is eaten, and thou shalt gather H622 it to thee; and it shall be for food for thee, and for them.
Unchecked Copy BoxGen 25:8 - Then Abraham gave up the ghost, and died in a good old age, an old man, and full of years; and was gathered H622 to his people.
Unchecked Copy BoxGen 25:17 - And these are the years of the life of Ishmael, an hundred and thirty and seven years: and he gave up the ghost and died; and was gathered H622 unto his people.
Unchecked Copy BoxGen 29:3 - And thither were all the flocks gathered: H622 and they rolled the stone from the well's mouth, and watered the sheep, and put the stone again upon the well's mouth in his place.
Unchecked Copy BoxGen 29:7 - And he said, Lo, it is yet high day, neither is it time that the cattle should be gathered together: H622 water ye the sheep, and go and feed them.
Unchecked Copy BoxGen 29:8 - And they said, We cannot, until all the flocks be gathered together, H622 and till they roll the stone from the well's mouth; then we water the sheep.
Unchecked Copy BoxGen 29:22 - And Laban gathered together H622 all the men of the place, and made a feast.
Unchecked Copy BoxGen 30:23 - And she conceived, and bare a son; and said, God hath taken away H622 my reproach:
Unchecked Copy BoxGen 34:30 - And Jacob said to Simeon and Levi, Ye have troubled me to make me to stink among the inhabitants of the land, among the Canaanites and the Perizzites: and I being few in number, they shall gather themselves together H622 against me, and slay me; and I shall be destroyed, I and my house.
Unchecked Copy BoxGen 35:29 - And Isaac gave up the ghost, and died, and was gathered H622 unto his people, being old and full of days: and his sons Esau and Jacob buried him.
Unchecked Copy BoxGen 42:17 - And he put them all together H622 into ward three days.
Unchecked Copy BoxGen 49:1 - And Jacob called unto his sons, and said, Gather yourselves together, H622 that I may tell you that which shall befall you in the last days.
Unchecked Copy BoxGen 49:29 - And he charged them, and said unto them, I am to be gathered H622 unto my people: bury me with my fathers in the cave that is in the field of Ephron the Hittite,
Unchecked Copy BoxGen 49:33 - And when Jacob had made an end of commanding his sons, he gathered up H622 his feet into the bed, and yielded up the ghost, and was gathered H622 unto his people.
Unchecked Copy BoxExo 3:16 - Go, and gather H622  the elders of Israel together, H622 and say unto them, The LORD God of your fathers, the God of Abraham, of Isaac, and of Jacob, appeared unto me, saying, I have surely visited you, and seen that which is done to you in Egypt:
Unchecked Copy BoxExo 4:29 - And Moses and Aaron went and gathered together H622 all the elders of the children of Israel:
Unchecked Copy BoxExo 9:19 - Send therefore now, and gather thy cattle, and all that thou hast in the field; for upon every man and beast which shall be found in the field, and shall not be brought H622 home, the hail shall come down upon them, and they shall die.
Unchecked Copy BoxExo 23:10 - And six years thou shalt sow thy land, and shalt gather H622 in the fruits thereof:
Unchecked Copy BoxExo 23:16 - And the feast of harvest, the firstfruits of thy labours, which thou hast sown in the field: and the feast of ingathering, which is in the end of the year, when thou hast gathered H622 in thy labours out of the field.
Unchecked Copy BoxExo 32:26 - Then Moses stood in the gate of the camp, and said, Who is on the LORD'S side? let him come unto me. And all the sons of Levi gathered H622 themselves together unto him.
Unchecked Copy BoxLev 23:39 - Also in the fifteenth day of the seventh month, when ye have gathered H622 in the fruit of the land, ye shall keep a feast unto the LORD seven days: on the first day shall be a sabbath, and on the eighth day shall be a sabbath.
Unchecked Copy BoxLev 25:3 - Six years thou shalt sow thy field, and six years thou shalt prune thy vineyard, and gather H622 in the fruit thereof;
Unchecked Copy BoxLev 25:20 - And if ye shall say, What shall we eat the seventh year? behold, we shall not sow, nor gather H622 in our increase:
Unchecked Copy BoxLev 26:25 - And I will bring a sword upon you, that shall avenge the quarrel of my covenant: and when ye are gathered together H622 within your cities, I will send the pestilence among you; and ye shall be delivered into the hand of the enemy.
Unchecked Copy BoxNum 10:25 - And the standard of the camp of the children of Dan set forward, which was the rereward H622 of all the camps throughout their hosts: and over his host was Ahiezer the son of Ammishaddai.
Unchecked Copy BoxNum 11:16 - And the LORD said unto Moses, Gather H622 unto me seventy men of the elders of Israel, whom thou knowest to be the elders of the people, and officers over them; and bring them unto the tabernacle of the congregation, that they may stand there with thee.
Unchecked Copy BoxNum 11:22 - Shall the flocks and the herds be slain for them, to suffice them? or shall all the fish of the sea be gathered together H622 for them, to suffice them?
Unchecked Copy BoxNum 11:24 - And Moses went out, and told the people the words of the LORD, and gathered H622 the seventy men of the elders of the people, and set them round about the tabernacle.
Unchecked Copy BoxNum 11:30 - And Moses gat H622 him into the camp, he and the elders of Israel.
Unchecked Copy BoxNum 11:32 - And the people stood up all that day, and all that night, and all the next day, and they gathered H622 the quails: he that gathered least gathered H622 ten homers: and they spread them all abroad for themselves round about the camp.
Unchecked Copy BoxNum 12:14 - And the LORD said unto Moses, If her father had but spit in her face, should she not be ashamed seven days? let her be shut out from the camp seven days, and after that let her be received H622 in again.
Unchecked Copy BoxNum 12:15 - And Miriam was shut out from the camp seven days: and the people journeyed not till Miriam was brought H622 in again.
Unchecked Copy BoxNum 19:9 - And a man that is clean shall gather H622 up the ashes of the heifer, and lay them up without the camp in a clean place, and it shall be kept for the congregation of the children of Israel for a water of separation: it is a purification for sin.
Unchecked Copy BoxNum 19:10 - And he that gathereth H622 the ashes of the heifer shall wash his clothes, and be unclean until the even: and it shall be unto the children of Israel, and unto the stranger that sojourneth among them, for a statute for ever.
Unchecked Copy BoxNum 20:24 - Aaron shall be gathered H622 unto his people: for he shall not enter into the land which I have given unto the children of Israel, because ye rebelled against my word at the water of Meribah.
Unchecked Copy BoxNum 20:26 - And strip Aaron of his garments, and put them upon Eleazar his son: and Aaron shall be gathered H622 unto his people, and shall die there.
Unchecked Copy BoxNum 21:16 - And from thence they went to Beer: that is the well whereof the LORD spake unto Moses, Gather H622  the people together, H622 and I will give them water.
Unchecked Copy BoxNum 21:23 - And Sihon would not suffer Israel to pass through his border: but Sihon gathered H622  all his people together, H622 and went out against Israel into the wilderness: and he came to Jahaz, and fought against Israel.
Unchecked Copy BoxNum 27:13 - And when thou hast seen it, thou also shalt be gathered H622 unto thy people, as Aaron thy brother was gathered. H622
Unchecked Copy BoxNum 31:2 - Avenge the children of Israel of the Midianites: afterward shalt thou be gathered H622 unto thy people.
Unchecked Copy BoxDeu 11:14 - That I will give you the rain of your land in his due season, the first rain and the latter rain, that thou mayest gather H622 in thy corn, and thy wine, and thine oil.
Unchecked Copy BoxDeu 16:13 - Thou shalt observe the feast of tabernacles seven days, after that thou hast gathered H622 in thy corn and thy wine:
Unchecked Copy BoxDeu 22:2 - And if thy brother be not nigh unto thee, or if thou know him not, then thou shalt bring H622 it unto thine own house, and it shall be with thee until thy brother seek after it, and thou shalt restore it to him again.
Unchecked Copy BoxDeu 28:38 - Thou shalt carry much seed out into the field, and shalt gather H622  but little in; H622 for the locust shall consume it.
Unchecked Copy BoxDeu 32:50 - And die in the mount whither thou goest up, and be gathered H622 unto thy people; as Aaron thy brother died in mount Hor, and was gathered H622 unto his people:
Unchecked Copy BoxDeu 33:5 - And he was king in Jeshurun, when the heads of the people and the tribes of Israel were gathered H622 together.
Unchecked Copy BoxJos 2:18 - Behold, when we come into the land, thou shalt bind this line of scarlet thread in the window which thou didst let us down by: and thou shalt bring H622 thy father, and thy mother, and thy brethren, and all thy father's household, home unto thee.
Unchecked Copy BoxJos 6:9 - And the armed men went before the priests that blew with the trumpets, and the rereward H622 came after the ark, the priests going on, and blowing with the trumpets.
Unchecked Copy BoxJos 6:13 - And seven priests bearing seven trumpets of rams' horns before the ark of the LORD went on continually, and blew with the trumpets: and the armed men went before them; but the rereward H622 came after the ark of the LORD, the priests going on, and blowing with the trumpets.
Unchecked Copy BoxJos 10:5 - Therefore the five kings of the Amorites, the king of Jerusalem, the king of Hebron, the king of Jarmuth, the king of Lachish, the king of Eglon, gathered themselves together, H622 and went up, they and all their hosts, and encamped before Gibeon, and made war against it.

Search Results Continued...

1. Currently on page 1/4 (Gen 6:21–Jos 10:5) Gen 6:21–Jos 10:5

2. LOAD PAGE 2 Jos 20:4–2Ch 1:14

BLB Searches
Search the Bible

Advanced Options

Other Searches

Multi-Verse Retrieval

Daily Devotionals

Blue Letter Bible offers several daily devotional readings in order to help you refocus on Christ and the Gospel of His peace and righteousness.

Daily Bible Reading Plans

Recognizing the value of consistent reflection upon the Word of God in order to refocus one's mind and heart upon Christ and His Gospel of peace, we provide several reading plans designed to cover the entire Bible in a year.

One-Year Plans

Two-Year Plan