Λακωνισμός
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)
ὁ,
A imitation of Lacedaemonian manners, esp. of their short and pointed way of talking, Cic.Fam. 11.25.2. II acting in the Lacedaemonian interest, X.HG4.4.15, 7.1.46.
Greek (Liddell-Scott)
Λᾰκωνισμός: ὁ, μίμησης τοῦ τρόπου τῶν Λακεδαιμονίων, ἰδίως τῆς βραχυλογίας αὐτῶν καὶ τῶν ἐπιτυχῶν ἀποκρίσεων, Κικ. Fam 11. 25, 2. ΙΙ. τὸ φρονεῖν τὰ τῶν Λακεδαιμονίων, συμπαθεῖν πρὸς αὐτούς, βαρὺ ἔγκλημα ἐν Ἀθήναις, Ξεν. Ἑλλ. 4. 4, 15., 7. 1. 46.