βιωφελής
From LSJ
Χαίρειν ἐπ' αἰσχροῖς οὐδέποτε χρὴ πράγμασιν → Non decet in rebus esse laetum turpibus → In schlimmer Not ist Freude niemals angebracht
English (LSJ)
ές,
A useful for life, Ph.2.88, al., Luc.Am.51; of persons, Ptol.Tetr.183: Comp., Ph.2.633: Sup., ib.480, Agath.1.7. Adv. -λῶς S.E.M.1.279.
German (Pape)
[Seite 446] ές, für's Leben tauglich, Luc. Amor. 51 u. a. Sp.