Strong’s Greek
G3999 — pentakis
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
πεντάκις
pentakis — pronounced pen-tak-ece'
multiplicative adverb from 4002; five times:--five times. see GREEK for 4002
1 occurrence in the KJV.
2 Corinthians 11:24
Of the Jews five times received I forty stripes save one.