μῶνυξ

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).)