κερδαίνω
κερδαίνω
κέρδος
to gain, derive profit or advantage, κακὰ κ. to make unfair gains, Hes.; κ. ἔκ or ἀπό τινος Hdt., Attic; πρός τινος Soph.; τί κερδανῶ; what shall I gain by it? Ar.:—c. part. to gain by doing, οὐδὲν ἐκμαθοῦσα κερδανεῖς Aesch., etc.
absol. to make profit, gain advantage, Hdt., Attic:— to traffic, make merchandise, Soph.; κ. ἔπη to receive fair words, Soph.
like ἀπολαύω, to gain a loss, reap disadvantage from a thing, as, δάκρυα κ., Eur.; κ. ζημίαν NTest.