Strong’s Greek
G5539 — chresimos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
χρήσιμον
chresimos — pronounced khray'-see-mos
from 5540; serviceable:--profit. see GREEK for 5540
1 occurrence in the KJV.
2 Timothy 2:14
Of these things put them in remembrance, charging them before the Lord that they strive not about words to no profit, but to the subverting of the hearers.