προσγυμνάζω
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)
A exercise at or in a thing, τινι Pl.Lg.647c:—Med., ὁ -αζόμενος,=sq., Gal.6.177 (v.l. προγ-) ; π. τινί Alex.Aphr.in Top.232.3; πολέμῳ -γεγυμνασμένος Plu.Marc.27. 2 metaph. in Med., enter into a contest with, τινι D.Chr.36.27: abs., M.Ant.6.20.
German (Pape)
[Seite 754] dabei, daran üben; Plat. Legg. I, 647 c; τῷ πολέμῳ προσγεγυμνασμένος, Plut. Marcell. 27.
Greek (Liddell-Scott)
προσγυμνάζω: γυμνάζω, ἀσκῶ εἴς τι πράγμα, Πλάτ. Νόμ. 647C. ― Μέσ., ἀσκῶ ἐμαυτόν, γυμνάζομαι, Δίων Χρυσ. 2. 86. ― Παθ., προσγεγυμνασμένος πολέμῳ Πλουτ. Μάρκελλ. 27.