ἐκκάμνω
From LSJ
τὸ γὰρ βραχύ τι τοῦτο πᾶσαν ὑμῶν ἔχει τὴν βεβαίωσιν καὶ πεῖραν τῆς γνώμης → this trifle contains the whole seal and trial of your resolution
English (LSJ)
A grow quite weary of a thing, τὰς ὀλοφύρσεις Th.2.51: c. part., πολεμοῦντες ἐξέκαμον Plu.Sol.8, cf. Pomp.32, D.C.40.24; ἐξέκαμεν ὑπὸ γήρως πρὸς τὰ δημόσια he became unfit through age for.., Plu.Cat.Ma.24; σίδηρος ἐξέκαμε πληγαῖς it is worn out (gnomic) with blows, Id.Caes.37 ; ἐ. ἡ ἀρετή τισι Max. Tyr.29.2.