εὐχᾰριστ-έω,
bestow a favour on, oblige, τῷ δήμῳ τῷ Δηλίων [[ “IG” 11 (4).665 (Delos, 3rd c.BC)] Refs 3rd c.BC+]; τινι [[ “PPetr.” 2p.4 (3rd c.BC), “PHib.” 1.66.5 (3rd c.BC). ] Refs 3rd c.BC+]
__2 to be thankful, return thanks, Decrees cited in [[ 4th c.BC: Demosthenes Orator 18.92, “IPE” 12.352.14 (Chersonesus, 2nd c.BC)] Refs 4th c.BC+]; τοῖς Αθηναίοις [[ 2nd-1st c.BC: Posidonius Historicus 36 1st c.AD: Josephus Historicus, compare 1st c.BC: Philodemus Gadarensis Epigrammaticus “Ir.” p.92 W., +others] Refs 2nd c.BC+]; ἐπί τινι or περί τινος for a thing, [[ 2nd c.BC: Polybius Historicus 4.72.7, 1st c.BC: Diodorus Siculus Historicus 16.11, etc.] Refs 2nd c.BC+]; especially to the gods, ἐπὶ τῷ ἐρρῶσθαί σε τοῖς θεοῖς εὐ. [[ “UPZ” 59.10 (2nd c.BC),cf. LXX.Jdt.8.25, NT.1Cor.1.4, etc.] NT+2nd c.BC+]:—passive, to be thanked, ηὐχαρίστηται κεραυνοῖς [[ 5th c.BC: Hippocrates Medicus “ἐπιστολαί” 17 ] Refs 5th c.BC+]; to be received with thanks, [[ NT.2Cor.1.11. ] NT]
__3 pray, τῷ θεῷ περί τινος [[ “PLond.” 2.413, 418 (4th c.AD). ] Refs 4th c.AD+]