ἐπικερδής
From LSJ
συνετῶν μὲν ἀνδρῶν, πρὶν γενέσθαι τὰ δυσχερῆ, προνοῆσαι ὅπως μὴ γένηται· ἀνδρείων δέ, γενόμενα εὖ θέσθαι → it is the part of prudent men, before difficulties arise, to provide against their arising; and of courageous men to deal with them when they have arisen
English (LSJ)
ές,
A profitable, advantageous, TAM2(1).245 (Lycia), Aesop.137, Vett.Val.189.30, al., Heph.Astr.2.30, App.BC1.57.
German (Pape)
[Seite 948] ές, Gewinn bringend, Sp.