τηρέω, 
τηρῶ; imperfect 
ἐτήρουν; future 
τηρήσω; 1 aorist 
ἐτήρησα; perfect 
τετήρηκα, 3 person plural 
τετηρήκασιν (
John 17:6 R G) and 
τετήρηκαν (ibid. 
L T Tr WH (see 
γίνομαι, at the beginning)); passive, present 
τηροῦμαι; imperfect 
ἐτηρουμην; perfect 
τετήρημαι; 1 aorist 
ἐτηρήθην; (
τηρός, found only once, 
Aeschylus suppl. 248, where it is doubtful whether it means 'guarding' or 'watching'), from 
Pindar, 
Sophocles, 
Thucydides down; the 
Sept. several times for 
שָׁמַר, 
נָצַר, etc.; 
to attend to carefully, take care of; i. e. 
a. properly, 
to guard: 
τινα, a prisoner, 
Matthew 27:36, 
54; 
Acts 16:23; passive, 
Acts 12:5; (
Acts 24:23); 
Acts 25:4, 
21 (b); 
τί, 
Acts 12:6; 
οἱ τηροῦντες ((
R. V.) 
the watchers) the guards, 
Matthew 28:4 (
Song of Solomon 3:3). 
b. metaphorically, 
to keep: 
τινα, 
one in that state in which he is, 
τήν ἑαυτοῦ παρθένον, his own virgin daughter, namely, as a virgin i. e. unmarried, 
1 Corinthians 7:37; 
ἑαυτόν, himself such as he is, i. e. begotten of God, 
1 John 5:18 (but here 
T Tr WH αὐτόν); with a predicate accusative added: 
ἁγνόν, 
1 Timothy 5:22; 
ἄσπιλον ἀπό τοῦ κόσμου, 
James 1:27; 
ἀβαρῆ τίνι, 
2 Corinthians 11:9 (
ἁπλουν, 
Antoninus 6, 30; 
τινα ἄμεμπτον τῷ Θεῷ, Wis. 10:5); 
τί with a predicate accusative 
1 Timothy 6:14 (but see in c. below); passive, 
τηροῦμαι, with an adverb, 
ἀμέμπτως, 
1 Thessalonians 5:23; with a dative of the person, 
Χριστῷ, devoted to Christ (
Winer's Grammar, 421 (392)), 
Jude 1:1; 
τηρεῖν τινα ἐν τίνι: 
to keep in i. e. cause one to persevere or stand firm in a thing: 
ἐν τῷ ὀνόματι Θεοῦ (see p. 447b bottom), 
John 17:11f; 
ἐν ἀγάπη Θεοῦ, 
Jude 1:21; 
τινα ἐκ τίνος, by guarding to cause one to escape in safety out of etc.: 
ἐκ τοῦ πονηροῦ, out of the power and assaults of Satan, 
John 17:15 (cf. 
Buttmann, 327 (281); 
Winer's Grammar, 410 (383)); 
ἐκ τῆς ὥρας τοῦ πειρασμοῦ, 
Revelation 3:10. 
to keep: i. e. not to leave, 
τήν ἀρχήν, 
Jude 1:6; not to throw away, 
τά ἱμάτια, 
Revelation 16:15. 
to hold firmly: 
τήν ἑνότητα τοῦ πνεύματος, 
Ephesians 4:3; anything as a mental deposit, 
τήν πίστιν, 
2 Timothy 4:7; 
Revelation 14:12 (cf. 
Winers Grammar, 536 (499); 
Buttmann, 78 (68)). to show oneself to be actually holding a thing fast, i. e. 
c. to observe: namely, 
πῶς κτλ., 
Revelation 3:3; 
τί Matthew 23:3; 
Acts 21:25 (
Rec.); 
τήν παράδοσιν, 
Mark 7:9 (
WH (rejected) marginal reading 
στήσητε) (
τά ἐκ παραδοσεως τῶν πατέρων, 
Josephus, Antiquities 13, 10, 6); 
τόν νόμον, 
Acts 15:5 and 
Rec. in 
Acts 15:24; 
James 2:10; 
τό σάββατον, the command respecting sabbath-keeping, 
John 9:16; 
τάς ἐντολάς (of either God or Christ), 
Matthew 19:17; 
John 14:15, 
21; 
John 15:10; 
1 John 2:3; 
1 John 3:22, 
24; 
1 John 5:2 (where 
L T Tr WH ποιῶμεν); 
1 John 5:3; 
Revelation 12:17; 
Revelation 14:12 (see above, b. at the end); 
τήν ἐντολήν, 
1 Timothy 6:14 (see in b. above; 
πάντα ὅσα ἐνετειλάμην, 
Matthew 28:20); 
τόν λόγον, either of Christ or of God, 
John 8:51f, 
55; 
John 14:23; 
John 15:20; 
John 17:6; 
1 John 2:5; 
Revelation 3:8; 
τούς λόγους, of Christ, 
John 14:24; 
τόν λόγον τῆς ὑπομονῆς μου (i. e. 
Ἰησοῦ), 
Revelation 3:10; 
τά ἔργα μου, the works that I command, 
Revelation 2:26; 
τούς λόγους τῆς προφητείας, 
Revelation 22:7; 
τοῦ βιβλίου τούτου, 
Revelation 22:9; 
τά ἐν τῇ προφητεία γεγραμμένα, 
Revelation 1:3; cf. 
Lipsius, Paulin. Rechtfertigungsl., p. 194f, 
d. to reserve: 
τινα εἰς τί, to undergo something, 
2 Peter 2:4 (cf. 
Winer's Grammar, 342 (321); 
εἰς τήν τοῦ Σεβαστοῦ διάγνωσιν, 
Acts 25:21a); 
Jude 1:6; 
τινα εἰς ἡμέραν κρίσεως, 
2 Peter 2:9; 
τούς οὐρανούς πυρί; (to be burned with fire) 
εἰς ἡμέραν κρίσεως, 
2 Peter 3:7; 
τί εἰς τινα, a thing for one's advantage, 
1 Peter 1:4; 
τί εἰς ἡμέραν τινα, to be used some day for some purpose, 
John 12:7; 
τί ἕως ἄρτι, 
John 2:10; 
τί with the dative of the person, for rewarding or punishing one, passive, 
2 Peter 2:17; 
Jude 1:13. (Compare: 
διατηρέω, 
παρατηρέω, 
συντηρέω.) 
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