εὐφωνία
From LSJ
ἀναγκαίως δ' ἔχει βίον θερίζειν ὥστε κάρπιμον στάχυν, καὶ τὸν μὲν εἶναι, τὸν δὲ μή → But it is our inevitable lot to harvest life like a fruitful crop, for one of us to live, one not. (Euripides, Hypsipyle fr. 60.94ff.)
English (LSJ)
ἡ,
A goodness of voice, X.Mem.3.3.13, Arist.Pr.903b27; τόλμα καὶ εὐ., of an orator, Plu.2.838e. 2 excellence of tone, of horns, Arist. Aud.802b2. II euphony, D.H.Comp.25, Quint.1.5.4, Demetr.Eloc.68.
French (Bailly abrégé)
ας (ἡ) :
1 belle ou forte voix;
2 harmonie, nombre oratoire.
Étymologie: εὔφωνος.