ἁγνεύειν

From LSJ

τῷ ἄφρονι περιττεύει τὸ πάθος → the stupid man is carried away by passion

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἁγνεύω): be chaste, be clean, be pure, be purified, be uncontaminated, be undefiled