εὐμεταχείριστος
δρυὸς πεσούσης πᾶς ἀνὴρ ξυλεύεται → when the oak falls, everyone cuts wood | when an oak has fallen, every man gathers wood | on the fall of an oak, every man gathers wood | when an oak has fallen, every man becomes a woodcutter | one takes advantage of somebody who has lost his strength | one takes advantage of somebody who has lost his power | when the tree is fallen, every man goes to it with his hatchet
English (LSJ)
ον,
A manageable, of persons, Isoc.Ep.2.20, Pl. Phdr.240a, X.An.2.6.20; of things, Onos.6.5; λόγος -ότερος Isoc.Ep. 9.2; σώματα εὐ. τῇ τέχνῃ Max.Tyr.10.3; χρεία εὐ. πρὸς τὸ ζῆν Arist. Pol.1257a37. 2 easy to cope with, ἰσχύς Th.6.85, cf. X.HG5.2.15; of persons, D.H.8.6 (Comp.). II in Act. signf., Adv.-τως handily, adroitly, τῇ ἀσπίδι χρῆσθαι Philostr.Gym.19, cf. Eustr.in EN343.32.