Strong’s Greek
G407 — andrizomai
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἀνδρίζομαι
andrizomai — pronounced an-drid'-zom-ahee
middle voice from 435; to act manly:--quit like men. see GREEK for 435
1 occurrence in the KJV.
1 Corinthians 16:13
Watch ye, stand fast in the faith, quit you like men, be strong.