Strong’s Greek
G1301 — diatereo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
διατηρέω
diatereo — pronounced dee-at-ay-reh'-o
from 1223 and 5083; to watch thoroughly, i.e. (positively and transitively) to observe strictly, or (negatively and reflexively) to avoid wholly:--keep. see GREEK for 1223 see GREEK for 5083
2 occurrences in the KJV.
Luke 2:51
And he went down with them, and came to Nazareth, and was subject unto them: but his mother kept all these sayings in her heart.
Acts 15:29
That ye abstain from meats offered to idols, and from blood, and from things strangled, and from fornication: from which if ye keep yourselves, ye shall do well. Fare ye well.