Strong’s Greek
G1765 — enischuo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἐνισχύω
enischuo — pronounced en-is-khoo'-o
from 1722 and 2480; to invigorate (transitively or reflexively):--strengthen. see GREEK for 1722 see GREEK for 2480
2 occurrences in the KJV.
Luke 22:43
And there appeared an angel unto him from heaven, strengthening him.
Acts 9:19
And when he had received meat, he was strengthened. Then was Saul certain days with the disciples which were at Damascus.