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Lexicon :: Strong's H3581 - kōaḥ

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Part of Speech
masculine noun
Root Word (Etymology)
From an unused root meaning to be firm
Dictionary Aids

TWOT Reference: 973.1

Strong’s Definitions

כֹּחַ kôach, ko'-akh; or (Daniel 11:6) כּוֹחַ kôwach; from an unused root meaning to be firm; vigor, literally (force, in a good or a bad sense) or figuratively (capacity, means, produce); also (from its hardiness) a large lizard:—ability, able, chameleon, force, fruits, might, power(-ful), strength, substance, wealth.

KJV Translation Count — Total: 126x

The KJV translates Strong's H3581 in the following manner: strength (58x), power (47x), might (7x), force (3x), ability (2x), able (2x), able (with H6113) (1x), chameleon (1x), fruits (1x), powerful (1x), substance (1x), wealth (1x), weary (with H3019) (1x).

KJV Translation Count — Total: 126x
The KJV translates Strong's H3581 in the following manner: strength (58x), power (47x), might (7x), force (3x), ability (2x), able (2x), able (with H6113) (1x), chameleon (1x), fruits (1x), powerful (1x), substance (1x), wealth (1x), weary (with H3019) (1x).
  1. strength, power, might

    1. human strength

    2. strength (of angels)

    3. power (of God)

    4. strength (of animals)

    5. strength, produce, wealth (of soil)

  2. a small reptile, probably a kind of lizard, which is unclean

    1. perhaps an extinct animal, exact meaning is unknown

Strong’s Definitions [?](Strong’s Definitions Legend)
כֹּחַ kôach, ko'-akh; or (Daniel 11:6) כּוֹחַ kôwach; from an unused root meaning to be firm; vigor, literally (force, in a good or a bad sense) or figuratively (capacity, means, produce); also (from its hardiness) a large lizard:—ability, able, chameleon, force, fruits, might, power(-ful), strength, substance, wealth.
STRONGS H3581: Abbreviations
† I. כֹּחַ noun [masculine] a small reptile, probably a kind of lizard, in list of unclean creeping things Leviticus 11:30; Greek Version of the LXX Vulgate AV chameleon; on various opinions see Di.

†II. כֹּחַ and (†Daniel 11:6) כּוֺחַ noun masculineDeuteronomy 4:37 strength, power (Late Hebrew id.); — כ׳ absolute Deuteronomy 8:18 +; construct Numbers 14:17 +; suffix כֹּחִי Genesis 31:6 +; כֹּחֲךָ Judges 16:6 +, כֹּחֶ֑ךָ Proverbs 5:10, כֹּחֶ֑כָה Proverbs 24:10, etc.; always singular; —
1. human strength:
a. physical, of Samson Judges 16:5, 6, 9, 15, 17, 19, 30; strength in toil Isaiah 44:12 (זְרוֺעַ כֹּחוֺ), Isaiah 44:12; Leviticus 26:20; Nehemiah 4:4; of manly vigour (in procreation) אַתָּה כֹּחִי וְרֵאשִׁית אוֺנִי Genesis 49:3 (poem in J; said to Reuben); vigour in general Joshua 14:11 (twice in verse) (JE), Judges 6:14; 1 Samuel 28:22; Job 6:11, 12; Psalm 31:11; Psalm 38:11; Psalm 71:9; Psalm 102:24; Proverbs 20:29; as sustained by food 1 Kings 19:8; lack of such vigour is לֹאכֹֿחַ Job 26:2, compare מִכֹּחַ Jeremiah 48:45 without strength; בְּלֹאכֿ׳ Lamentations 1:6; יְגִיעֵיכֿ׳ Job 3:17; כֹּחַ לֹאהָֿיָה בוֺ 1 Samuel 28:20, compare Daniel 10:8, 17; in Psalm 22:16 read חִכִּי, so Ew Ol Che and others; specifically of power of voice Isaiah 40:9.
b. more inclusively, ability, efficiency: followed by infinitive, ability to weep 1 Samuel 30:4; to get wealth Deuteronomy 8:18; to bring forth (a child; in figure) 2 Kings 19:3 = Isaiah 37:3; followed by לַעֲמֹד Daniel 1:4; Ezra 10:13, compare Daniel 11:15; without infinitive 1 Chronicles 29:2; Ezra 2:69; of efficiency in battle 2 Chron 14:10; 2 Chronicles 20:12; 26:13; for porter's service in temple אִישׁחַֿיִל בַּכֹּחַ לַעֲבֹדָה 1 Chronicles 26:8; ability or efficiency in general Genesis 31:6; Proverbs 24:5, 10; Ecclesiastes 4:1; Ecclesiastes 9:10, so probably כֹּחַ יְדֵיהֶם Job 30:2; עָצַר כֹּחַ (late, compare עצר) retain ability or strength, followed by infinitive; לְהִתְנַדֵּב נַעְצֹר כ׳ 1 Chronicles 29:14 that we should retain (have) ability to make freewill-oferings; to build 2 Chron 2:5; with negative, without infinitive, Daniel 10:8, 16 (compare Daniel 11:6, c).
c. power of a people, or king, Joshua 17:17; Nahum 2:2; Habakkuk 1:11; Isaiah 49:4 (of servant of י׳), Lamentations 1:14; Daniel 8:22, 24a, also Daniel 8:24b (si vera lectio, see Bev), Daniel 11:25 (|| לֵבָב); with עָצַר 2 Chronicles 13:20; 22:9; Daniel 11:6 (הַזְּרוֺעַ לֹא תַעְצֹר כ׳, compare b); in Hosea 7:9 figurative of body seems combined with that of land yielding produce (see 5 below)
d. power opposed to that of God Amos 2:14; Isaiah 10:13 (יָדִי כ׳), Deuteronomy 8:17; 1 Samuel 2:9; Zechariah 4:6; Job 36:19; Psalm 33:16.
e. power conferred by God Isaiah 40:29, compare Isaiah 40:31; Isaiah 41:1; of prophetic power Micah 3:8.
2. strength of angels Psalm 103:20.
3. power of God: in creation Jeremiah 10:12; Jeremiah 51:15 (see also Jeremiah 32:17 below), Psalm 65:7; in governing the world 1 Chronicles 29:12; 2 Chronicles 20:6; Psalm 29:4; in acts of deliverance and judgment Exodus 9:16; Exodus 15:6; Exodus 32:11; Numbers 14:13, 17 (JE), Isaiah 50:2; 2 Chronicles 25:8; Job 9:19; Job 24:22; Job 26:12; Job 30:18; Job 36:22; in combination כֹּחַ גָּדוֺל Deuteronomy 4:37; || יָד חֲזָקָה Exodus 32:11(JE), Nehemiah 1:10; || זְרוֺעַ נְטוּיָה Deuteronomy 9:29; 2 Kings 17:36; Jeremiah 27:5; Jeremiah 32:17; he is רַבכֹּֿחַ Psalm 147:5; compare רֹב כֹּחוֺ Isaiah 63:1; Job 23:6; also גדולכֹּֿחַ Nahum 1:3; אַמִּיץ כֹּחַ Isaiah 40:26; Job 9:4, שַׂגִּיאכֹֿחַ Job 37:23; כֹּחַ מַעֲשָׂיו Psalm 111:6 the power of his works; בַּכֹּחַ קוֺל י׳ Psalm 29:4 (of thunder); specifically of his wisdom (rather peculiarly, Elihu) כַּבִּיר כֹּחַ לֵב Job 36:5 mighty in strength of mind.
4. of animals: wild ox Job 39:11, horse Job 39:21, hippopotamus Job 40:16, bullock Proverbs 14:4; he-goat Daniel 8:6 ram Daniel 8:7.
5. strength, of soil i.e. produce, Genesis 4:12 (J), Job 31:30; (Hosea 7:9 see 1. c above); = wealth (compare חַילִ) Proverbs 5:10; Job 6:22.
Brown-Driver-Briggs Hebrew and English Lexicon, Unabridged, Electronic Database.
Copyright © 2002, 2003, 2006 by Biblesoft, Inc.
All rights reserved. Used by permission.

BLB Scripture Index of Brown-Driver-Briggs


4:12; 31:6; 31:6; 49:3


9:16; 15:6; 32:11; 32:11


11:30; 26:20


14:13; 14:17; 14:17


4:37; 4:37; 8:17; 8:18; 8:18; 9:29


14:11; 17:17


6:14; 16:5; 16:6; 16:6; 16:9; 16:15; 16:17; 16:19; 16:30

1 Samuel

2:9; 28:20; 28:22; 30:4

1 Kings


2 Kings

17:36; 19:3

1 Chronicles

26:8; 29:2; 29:12; 29:14

2 Chronicles

2:5; 13:20; 14:10; 20:6; 20:12; 22:9; 25:8; 26:13


2:69; 10:13


1:10; 4:4


3:17; 6:11; 6:12; 6:22; 9:4; 9:19; 23:6; 24:22; 26:2; 26:12; 30:2; 30:18; 31:30; 36:5; 36:19; 36:22; 37:23; 39:11; 39:21; 40:16


22:16; 29:4; 29:4; 31:11; 33:16; 38:11; 65:7; 71:9; 102:24; 103:20; 111:6; 147:5


5:10; 5:10; 14:4; 20:29; 24:5; 24:10; 24:10


4:1; 9:10


10:13; 37:3; 40:9; 40:26; 40:29; 40:31; 41:1; 44:12; 44:12; 49:4; 50:2; 63:1


10:12; 27:5; 32:17; 32:17; 48:45; 51:15


1:6; 1:14


1:4; 8:6; 8:7; 8:22; 8:24; 8:24; 10:8; 10:8; 10:16; 10:17; 11:6; 11:6; 11:6; 11:15; 11:25


7:9; 7:9






1:3; 2:2





Word / Phrase / Strong's Search

Strong's Number H3581 matches the Hebrew כֹּחַ (kōaḥ),
which occurs 127 times in 121 verses in the WLC Hebrew.

Page 1 / 3 (Gen 4:12–Job 6:12)

Unchecked Copy BoxGen 4:12 - “When you cultivate the ground, it will no longer yield its strength H3581 to you; you will be a vagrant and a wanderer on the earth.”
Unchecked Copy BoxGen 31:6 - “You also know that I have served your father with all my power H3581.
Unchecked Copy BoxGen 49:3 -

“Reuben, you are my firstborn;

My might H3581 and the beginning of my vigor,

[fn]Preeminent in dignity and [fn]preeminent in strength.

Unchecked Copy BoxExo 9:16 - “But, indeed, for this reason I have caused you to stand, in order to show you My power H3581 and in order to recount My name through all the earth.
Unchecked Copy BoxExo 15:6 -

“Your right hand, O Yahweh, is majestic in power H3581,

Your right hand, O Yahweh, shatters the enemy.

Unchecked Copy BoxExo 32:11 -

Then Moses entreated [fn]the favor of Yahweh his God and said, “O Yahweh, why does Your anger burn against Your people whom You have brought out of the land of Egypt with great power H3581 and with a strong hand?

Unchecked Copy BoxLev 11:30 - and the gecko and the [fn]crocodile H3581 and the lizard and the [fn]sand reptile and the chameleon.
Unchecked Copy BoxLev 26:20 - ‘And your power H3581 will be spent uselessly, for your land will not give forth its produce and the trees of the land will not give forth their fruit.
Unchecked Copy BoxNum 14:13 -

But Moses said to Yahweh, “Then the Egyptians will hear of it, for by Your power H3581 You brought up this people from their midst,

Unchecked Copy BoxNum 14:17 - “So now, I pray, let the power H3581 of the Lord be great, just as You have [fn]declared,
Unchecked Copy BoxDeu 4:37 - [fn]Because He loved your fathers, therefore He chose their seed after them. And He [fn]personally brought you from Egypt by His great power H3581,
Unchecked Copy BoxDeu 8:17 - lest you say in your heart, ‘My power H3581 and the might of my hand made me this wealth.’
Unchecked Copy BoxDeu 8:18 - “But you shall remember Yahweh your God, for it is He who is giving you power H3581 to make wealth, that He may confirm His covenant which He swore to your fathers, as it is this day.
Unchecked Copy BoxDeu 9:29 - ‘Yet they are Your people, even Your inheritance, whom You have brought out by Your great power H3581 and Your outstretched arm.’
Unchecked Copy BoxJos 14:11 - “I am still as strong today as I was in the day Moses sent me; as my strength H3581 was then, so my strength H3581 is now, for war and for going out and coming in.
Unchecked Copy BoxJos 17:17 - Then Joshua spoke to the house of Joseph, to Ephraim and Manasseh, saying, “You are a numerous people and have great power H3581; you shall not have one lot only,
Unchecked Copy BoxJdg 6:14 - Then Yahweh turned to him and said, “Go in this strength H3581 of yours and save Israel from the hand of Midian. Have I not sent you?”
Unchecked Copy BoxJdg 16:5 - And the lords of the Philistines came up to her and said to her, “Entice him, and see where his great strength H3581 lies and [fn]how we may overpower him that we may bind him to afflict him. Then we will each give you 1,100 pieces of silver.”
Unchecked Copy BoxJdg 16:6 - So Delilah said to Samson, “Please tell me where your great strength H3581 is and [fn]how you may be bound to afflict you.”
Unchecked Copy BoxJdg 16:9 - Now she had men lying in wait, sitting in an inner room. And she said to him, “The Philistines are upon you, Samson!” But he snapped the cords as a string of tinder snaps when it [fn]touches fire. So his strength H3581 was still not known.
Unchecked Copy BoxJdg 16:15 -

Then she said to him, “How can you say, ‘I love you,’ when your heart is not with me? You have deceived me these three times and have not told me where your great strength H3581 is.”

Unchecked Copy BoxJdg 16:17 - So he told her all that was in his heart and said to her, “A razor has never come on my head, for I have been a Nazirite to God from my mother’s womb. If I am shaved, then my strength H3581 will leave me and I will become weak and be like every other man.”
Unchecked Copy BoxJdg 16:19 - Then she made him sleep on her knees and called for a man and had him shave off the seven locks of his head. Then she began to afflict him, and his strength H3581 left him.
Unchecked Copy BoxJdg 16:30 - And Samson said, “Let me die with the Philistines!” And he bent with his strength H3581 so that the house fell on the lords and all the people who were in it. So the dead whom he put to death by his death were more than those whom he put to death in his life.
Unchecked Copy Box1Sa 2:9 -

“He keeps the feet of His holy ones,

But the wicked ones are silenced in darkness,

For not by power H3581 shall a man prevail.

Unchecked Copy Box1Sa 28:20 -

Then Saul quickly fell full length upon the ground and was very afraid because of the words of Samuel; also there was no strength H3581 in him, for he had eaten no [fn]food all day and all night.

Unchecked Copy Box1Sa 28:22 - “So now also, please listen to the voice of your servant-woman, and let me set a piece of bread before you that you may eat and have strength H3581 when you go on your way.”
Unchecked Copy Box1Sa 30:4 - So David and the people who were with him lifted their voices and wept until there was no strength H3581 in them to weep.
Unchecked Copy Box1Ki 19:8 - So he arose and ate and drank, and went in the strength H3581 of that food forty days and forty nights to Horeb, the mountain of God.
Unchecked Copy Box2Ki 17:36 - “But Yahweh, who brought you up from the land of Egypt with great power H3581 and with an outstretched arm, Him you shall fear, and to Him you shall worship, and to Him you shall sacrifice.
Unchecked Copy Box2Ki 19:3 - And they said to him, “Thus says Hezekiah, ‘This day is a day of distress, reproof, and rejection; for children have come to the point of breaking forth, but there is no strength H3581 to give birth.
Unchecked Copy Box1Ch 26:8 -

All these were of the sons of Obed-edom; they and their sons and their [fn]relatives were valiant men with strength H3581 for the service, sixty-two from Obed-edom.

Unchecked Copy Box1Ch 29:2 - “Now with all my power H3581 I have prepared for the house of my God the gold for the things of gold, and the silver for the things of silver, and the bronze for the things of bronze, the iron for the things of iron, and wood for the things of wood, onyx stones and inlaid stones, stones of antimony and stones of various colors, and all kinds of precious stones and alabaster in abundance.
Unchecked Copy Box1Ch 29:12 - “Both riches and honor come from You, and You rule over all, and in Your hand is power H3581 and might; and it lies in Your hand to make great and to strengthen everyone.
Unchecked Copy Box1Ch 29:14 -

“But who am I and who are my people that we should [fn]be able H3581 to offer as willingly as this? For all things come from You, and from Your hand we have given You.

Unchecked Copy Box2Ch 2:6 - “But who is able H3581 to build a house for Him, for the heavens and the highest heavens cannot contain Him? So who am I, that I should build a house for Him, except to [fn]burn incense before Him?
Unchecked Copy Box2Ch 13:20 - Now Jeroboam did not again recover power H3581 in the days of Abijah; and Yahweh smote him and he died.
Unchecked Copy Box2Ch 14:11 - Then Asa called to Yahweh his God and said, “Yahweh, there is no one besides You to help in the battle between those of abundant power and those who have no power H3581; so help us, O Yahweh our God, for we lean on You, and in Your name have come against this multitude. O Yahweh, You are our God; let not mortal man prevail against You.”
Unchecked Copy Box2Ch 20:6 - and he said, “O Yahweh, the God of our fathers, are You not God in the heavens? And are You not ruler over all the kingdoms of the nations? Power H3581 and might are in Your hand so that no one can take their stand against You.
Unchecked Copy Box2Ch 20:12 - “O our God, will You not judge them? For we are powerless H3581 before this great multitude who are coming against us; and we do not know what we should do, but our eyes are on You.”
Unchecked Copy Box2Ch 22:9 - And he sought Ahaziah, and they caught him while he was hiding himself in Samaria; they brought him to Jehu, put him to death, and buried him. For they said, “He is the son of Jehoshaphat, who sought Yahweh with all his heart.” So there was no one of the house of Ahaziah to retain the power H3581 of the kingdom.
Unchecked Copy Box2Ch 25:8 - “But if you do go, do it, be strong for the battle; yet God will cause you to stumble before the enemy, for God has power H3581 to help and to cause to stumble.”
Unchecked Copy Box2Ch 26:13 - And under their hand was a [fn]mighty army of 307,500, who could wage war with mighty power H3581, to help the king against the enemy.
Unchecked Copy BoxEzr 2:69 - According to their ability H3581, they gave to the treasury for the work 61,000 gold [fn]drachmas and 5,000 silver [fn]minas and 100 priestly tunics.
Unchecked Copy BoxEzr 10:13 - “But there are many people; it is the rainy season, and we are not able H3581 to stand outside. Nor can the task be done in one or two days, for we have transgressed greatly in this matter.
Unchecked Copy BoxNeh 1:10 - “They are Your slaves and Your people whom You redeemed by Your great power H3581 and by Your strong hand.
Unchecked Copy BoxNeh 4:10 -

Then Judah said,

“The [fn]strength H3581 of the burden bearers is failing,

Yet there is much [fn]rubbish;

And we ourselves are unable

To rebuild the wall.”

Unchecked Copy BoxJob 3:17 -

“There the wicked cease from raging,

And there the weary of strength H3581 are at rest.

Unchecked Copy BoxJob 6:11 -

“What is my strength H3581, that I should wait?

And what is my end, that I should [fn]endure?

Unchecked Copy BoxJob 6:12 -

“Is my strength H3581 the strength H3581 of stones,

Or is my flesh bronze?

Search Results Continued...

1. Currently on page 1/3 (Gen 4:12–Job 6:12) Gen 4:12–Job 6:12

2. LOAD PAGE 2 Job 6:22–Jer 48:45

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