εὐχαριστέω
From LSJ
Ἐκ τῶν πόνων τοι τἀγάθ' αὔξεται βροτοῖς → Crescunt labore cuncta bona mortalibus → Das Gute wächst den Sterblichen aus ihrem Müh'n
English (LSJ)
A bestow a favour on, oblige, τῷ δήμῳ τῷ Δηλίων IG11 (4).665 (Delos, iii B.C.); τινι PPetr.2p.4 (iii B.C.), PHib.1.66.5 (iii B.C.). 2 to be thankful, return thanks, Decr. ap. D.18.92, IPE12.352.14 (Chersonesus, ii B.C.); τοῖς Αθηναίοις Posidon.36 J., cf. Phld. Ir.p.92 W., al.; ἐπί τινι or περί τινος for a thing, Plb.4.72.7, D.S.16.11, etc.; esp. to the gods, ἐπὶ τῷ ἐρρῶσθαί σε τοῖς θεοῖς εὐ. UPZ59.10 (ii B.C.), cf. LXX Ju.8.25, 1 Ep.Cor.1.4, etc.:—Pass., to be thanked, ηὐχαρίστηται κεραυνοῖς Hp.Ep.17; to be received with thanks, 2 Ep.Cor.1.11. 3 pray, τῷ θεῷ περί τινος PLond.2.413,418 (iv A.D.).
