efficiency
From LSJ
ὥσπερ λίθοι τε καὶ πλίνθοι καὶ ξύλα καὶ κέραμος, ἀτάκτως μὲν ἐρριμμένα οὐδὲν χρήσιμά ἐστιν → just as stones and bricks, woodwork and tiles, tumbled together in a heap are of no use at all (Xenophon, Memorabilia 3.1.7)
English > Greek (Woodhouse)
substantive
he impaired the efficiency of their navy: P. τὴν ἀκμὴν τοῦ ναυτικοῦ αὐτῶν ἀφείλετο (Thuc. 8, 46).