συγκαθαιρεῖν

From LSJ

μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: συγκαθαιρέω) help to destroy