tit for tat
From LSJ
English > Greek (Woodhouse)
repay tit for tat: V. τὸν αὐτὸν… τίσασθαι τρόπον (Aesch., Seven Against Thebes 638), παθὼν ἀντιδρᾶν (Euripides, Andromache 438).
requite (a person) tit for tat: P. τοῖς ὁμοίοις ἀμύνεσθαι (acc.).
get tit for tat: P. and V. ἀντιπάσχειν.