μώνυχες

[(σ)μώνυχες, fr. σμ- = σμεμ-, εἷς + ὄνυξ in sense hoof.]

With single, i.e. not cloven, hoofs.

Epithet of horses Il. 5.236, Il. 8.139, Il. 10.392, Il. 11.708, etc. : Od. 15.46.