κροῦσμα
From LSJ
λόγος γέ τοί τις ἔστι τῶν γεραιτέρων, ὅσ' ἂν ἀνόητ' ἢ µῶρα βουλευσώµεθα, ἅπαντ' ἐπὶ τὸ βέλτιον ἡµῖν ξυµφέρειν → there is in fact a saying among the elders, that whatever thoughtless, stupid decisions we make, they all turn out for the best for us
English (LSJ)
κρουσματικός, v. κρουμ-.
German (Pape)
[Seite 1514] τό, = κροῦμα; Ath. IV, 183 e; κιθάρης κρούσματα Δηλιάδος Agath. 25 (V, 292).