σίτησις
From LSJ
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)
εως, ἡ,
A eating, feeding, ἐπὶ σιτήσι for home consumption, opp. πρῆσις, Hdt.4.17; σ. καὶ δίαιτα Pl.R.404d; σ. ἐν Πρυτανείῳ public maintenance in the Prytaneum, Ar.Ra.764, cf. IG12.77, And.4.31, Pl.Ap.37a, OGI49.12 (Ptolemais, iii B.C.): abs., σίτησιν αἰτῆσαι Ar.Eq.574; γέρα . . δίδοται . . σ. Timocl.8.18: pl., D.20.107. II food, σίτησιν εἶναι κρέα ἑφθά Hdt. 3.23, cf. Thphr.HP8.4.3.