Voice
Middle English: from Old French vois, from Latin vox, voc- .
wiktionary
From Middle English voice, voys, vois, borrowed from Anglo-Norman voiz, voys, voice, Old French vois, voiz (Modern French voix), from Latin vōcem, accusative form of vōx(“voice”), from Proto-Indo-European *wṓkʷs, root noun from *wekʷ-(“to utter, speak”). Cognate with Sanskrit वाच्(vāc), Ancient Greek ὄψ(óps), Persian آواز (âvâz). Displaced native Middle English steven(“voice”), from Old English stefn (see steven). Compare advocate, advowson, avouch, convoke, epic, vocal, vouch, vowel. Doublet of vox.
From Middle English voysen, voicen, from the noun (see above).
etymonline
voice (n.)
late 13c., "sound made by the human mouth," from Old French voiz "voice, speech; word, saying, rumor, report" (Modern French voix), from Latin vocem (nominative vox) "voice, sound, utterance, cry, call, speech, sentence, language, word" (source also of Italian voce, Spanish voz), related to vocare "to call" (from PIE root *wekw- "to speak").
Replaced Old English stefn "voice," from Proto-Germanic *stemno, from PIE *stomen- (see stoma). Meaning "ability in a singer" is first attested c. 1600. Meaning "expression of feeling, etc." (in reference to groups of people, etc., such as Voice of America) is recorded from late 14c. Meaning "invisible spirit or force that directs or suggests," (especially in the context of insanity, as in hear voices in (one's) head, is from 1911.
voice (v.)
mid-15c., "to be commonly said," from voice (n.). From c. 1600 as "to express, give utterance to" (a feeling, opinion, etc.); from 1867 as "utter (a letter-sound) with the vocal cords." Related: Voiced; voicing.
