borrowed from New Latin aphōnia, borrowed from Greek aphōnía "speechlessness, mispronunciation," from áphōnos "voiceless, mute" (from a- a- entry 2 + -phōnos, adjective derivative of phōnḗ "voice, speech") + -ia -ia entry 1 — more at phono-
1654, in the meaning defined above
aphonia
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