μῶνυξ
ἀναγκαίως δ' ἔχει βίον θερίζειν ὥστε κάρπιμον στάχυν, καὶ τὸν μὲν εἶναι, τὸν δὲ μή → But it is our inevitable lot to harvest life like a fruitful crop, for one of us to live, one not. (Euripides, Hypsipyle fr. 60.94ff.)
English (LSJ)
ῠχος, ὁ, ἡ, τό,
A with a single, i.e. uncloven, hoof, epith. of the horse, freq. in Il., 5.236, al.; once in Od., 15.46, cf. Sol.23, E.Ph. 793 (lyr., dub.l.), Stud.Pont.3.16 (ii/i B.C.); also μ. ὕες Arist.HA 499b13; τὰ μ. [τῶν ζῴων] Hp.Art.8; τετραπόδων ὅσα μ. Porph.Abst. 4.7; [γένει] τῷ καλουμένῳ μώνυχι Pl.Plt.265d. (From sm- (weak form of sem-, cf. εἷς) and ὄνυξ (ὄ- lengthd. in composition).)
German (Pape)
[Seite 226] υχος, statt μονῶνυξ, einhufig, mit ungespaltenen Klauen, ἵπποι, Il. 5, 236. 581. 8, 136. 16, 172 Od. 15, 46; Eur. Phoen. 799; Plat. stellt gegenüber τῷ σχιστῷ καὶ τῷ καλουμένῳ μώνυχι, Polit. 265 d.