Strong’s Greek
G1604 — ekplerosis
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἐκπλήρωσις
ekplerosis — pronounced ek-play'-ro-sis
from 1603; completion:--accomplishment. see GREEK for 1603
1 occurrence in the KJV.
Acts 21:26
Then Paul took the men, and the next day purifying himself with them entered into the temple, to signify the accomplishment of the days of purification, until that an offering should be offered for every one of them.