An Etymological Dictionary of Astronomy and Astrophysics

A speech sound considered as a physical event without regard to its place in the sound system of a language.

Etymology (EN): From Gk. phone “voice, sound,” phonein “to speak;” cf. L. fama “talk, reputation, fame.”

Etymology (PE): Ãva “voice, sound,” related to âvâz “voice, sound, song” (both prefixed forms), bâng “voice, sound, clamour” (Mid.Pers. vâng), vâžé “word,” variants vâj-, vâk-, vâ-, vâz-, vât-;
Av. vacah- “word,” vaocanghê “to decalre” (by means of speech), from vac- “to speak, say;” cf. Skt. vakti “speaks, says,” vacas- “word;” Gk. epos “word;” L. vox “voice;” PIE base *wek- “to speak.”