δίφθογγος

English (LSJ)

ον,

   A with two sounds, γραφή Tz.H.5.694: δίφθογγος, ἡ, diphthong, D.T.639.15, A.D.Adv.128.8, al.: later δίφθογγον, τό, Hdn.Epim.245.