λαμυρός
τὸν αὐτὸν ἔρανον ἀποδοῦναι → pay him back in his own coin, repay him in his own coin, pay someone back in their own coin, pay back in someone's own coin, give tit for tat, pay back in kind
English (LSJ)
ά, όν,
A full of abysses, θάλασσα EM555.57: hence, II gluttonous, greedy, γάστρις καὶ λ. Epicr. 5.8 = Antiph.89.5; γαστρὶ χαριζόμενος τῆς οὐ λαμυρώτερον οὐδὲν Timo 7; ὀδόντες Theoc.25.234; κάρηνον Nic.Th.293. III metaph., wanton, impudent, -ώτερον λέγειν X.Smp.8.24; Ἀλκιβιάδου ἡ ἄγαν λ. πολιτεία Plu.Comp.Alc.Cor.1; λάμυρόν τι προσβλέπειν τινί Id.Mar. 38; λ. ἱστορίη AP7.450 (Diosc.); of women, coquettish, ib.5.161 (Asclep.); of Eros, λαμυροῖς ὄμμασι πικρὰ γελᾷ ib.179 (Mel.); λαμυρὰς Πόθων ἀέλλας Cerc.5.10: later in good sense, piquant, arch, like ἐπίχαρις, Phryn.259; charming, Plu.Caes.49, Eun.VSp.467 B. IV bright, τὰ λευκὰ τῶν ὀφθαλμῶν -ώτατα (in pneumonia) Aret.SA2.1.