G1301
διατηρέω
to keep
δια-τηρέω, -ῶ [in LXX for שָׁמַר, נָצַר, etc.; before ἀπό (for מִן), as in Psa.12:7 (8) ;] to keep carefully: Luk.2:51; before ἐκ, Act.15:29.† (AS)
The KJV translates G1301 in the following manner:
keep (2x), kept (2x)
Full Thayer's lexicon entry
διατηρέω — diatēréō
διατηρέω, διατήρω; 3 person singular imperfect διετήρει; to keep continually or carefully (see διά, C. 2): Luk 2:51 (Gen 37:11); ἐμαυτόν ἐκ τίνος (cf. τηρεῖν ἐκ τίνος, Joh 17:15), to keep oneself (pure) from a thing, Act 15:29; ἀπό τίνος for שָׁמַר followed by מִן, Psalm 11:8. (Plato, Demosthenes, Polybius, others.)
2 occurrences
Luke (1), Acts (1)