ἡμίφωνος
From LSJ
English (LSJ)
ον,
A half-pronounced, λέξις Aristaenet.1.10. 2 Subst. ἡμίφωνον, τό, a semi-vowel, as ρ ς, Arist.Po.1456b27, Phld.Po.2.16, D.H.Comp.14, D.T.631.16, etc. II half able to speak, Gal.UP6.3; half-vocal, of certain signs of the Zodiac, Cat.Cod.Astr.1.166, Vett.Val.5.24:—hence ἡμι-φωνία, ἡ, Steph.in Hp.1.184D.