εὐδαιμονίζειν
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
Greek > English (Woodhouse Verbs Reversed)
(see also εὐδαιμονίζω): compliment on, congratulate on, consider happy, think happy, wish a person joy