εὔφωνος

ον, νως, οτέρως, ότερον, ότατα, Adv.
A. sweet-voiced, musical, Πιερίδες Pi. I. 1.64; χορός A. Ag. 1187; sweettoned, λύρα Arist. Metaph. 1019b15; τὸ βαρὺ ἀπὸ τοῦ ὀξέος ‐ότερον Id. Pr. 920a23; εὔ. θαλίαι accompanied with sweet songs, Pi. P. 1.38.
2. loud-voiced, of a herald, Ar. Ec. 713, X. HG 2.4.20, cf. D. 19.126; οἱ ‐ότατοι Hdn. 2.6.4.
3. euphonious, Democr. 18b, D.H. Comp. 12, Demetr. Eloc. 70; -ότατον τὸ α D.H. Comp. 14.
4. Adv. -νως Poll. 2.113: Comp. -οτέρως Demetr. Eloc. 255; -ότερον Plu. 2.1132b: Sup. -ότατα , ᾄδειν Philostr. VA 4.42.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project