Strong’s Greek
G1314 — diaphulasso
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
διαφυλάσσω
diaphulasso — pronounced dee-af-oo-las'-so
from 1223 and 5442; to guard thoroughly, i.e. protect:--keep. see GREEK for 1223 see GREEK for 5442
1 occurrence in the KJV.
Luke 4:10
For it is written, He shall give his angels charge over thee, to keep thee: