εὐστομ-ία, poet.εὐστομ-ίη,ἡ,
A. goodness of sound, euphony, Pl. Cra. 404d , D.H. Comp. 7 , etc.;sweet singing, Ael. NA 17.23 ;beauty of language, D.H. Lys. 12 , Dem. 13 , etc.;δάκρυσον νεότητα καὶ εὐ. Syria 5.337 (Sidon).
II. pleasantness to the mouth, goodness of taste, Thphr. CP 6.16.2 , Dsc. 2.16 : pl., Plu. 2.687d ; f.l. for εὐστομαχία , Hices. ap. Ath. 7.310f .
III. skill with the mouth, of a flute-player, Philostr. VA 5.21 .