ὀνήσῐ-μος, ον,
useful, profitable, beneficial, [[ hymnus ad Mercurium 30, 4th-5th c.BC: Aeschylus Tragicus “Eumenides” 924 (Lyric poetry); πεπονθὼς ὀνήσιμα 5th c.BC: Sophocles Tragicus “Antigone” 995, compare “Aj.” 665, etc. ] Refs 5th c.BC+]; aiding, succouring, ἔγχος [[ [prev. author] “Tr.” 1014 (Lyric poetry)] Refs]. adverb -μως[[ 5th-6th c.BC: Plato Philosophus “Leges” 747c. ] Refs 5th c.BC+]