ἡμίφωνον

From LSJ

νύμφην τ' ἄνυμφον παρθένον τ' ἀπάρθενον → wife unwed and virgin that is no virgin | bride that is no bride, virgin that is virgin no more | virgin wife and widowed maid | unwed bride and ravished virgin

Source

Russian (Dvoretsky)

ἡμίφωνον: τό (sc. γράμμα или στοιχεῖον) полугласный звук, т. е. сонант (напр. σ и ρ), а также аффриката (ζ, ξ и ψ) Arst., Plut.