ἀντευεργετέω
From LSJ
οὐκ ἐν τῷ πολλῷ τὸ εὖ, ἀλλ' ἐν τῷ εὖ τὸ πολύ → good is not found in plenty but plenty in good, quality matters more than quantity
English (LSJ)
A return a kindness, X.Mem.2.6.4; ἀ. τοὺς εὖ ποιήσαντας Arist. Rh.Al.1422a32.
German (Pape)
[Seite 247] eine Wohlthat erwidern, Xen. Mem. 2, 6, 4; Anaxim. Stob. Floril. 79. 37.