aphonia (n.) Look up aphonia at Dictionary.com
"want of voice, loss of voice, having no sound," 1719, from Modern Latin aphonia, from Greek aphonia "speechlessness," noun of quality from aphonos "voiceless," from a-, privative prefix (see a- (3)), + phone "voice" (see fame (n.)) + abstract noun ending -ia. Less-common anglicized form aphony is attested from 1827.