出典:Wiktionary
From Proto-West Germanic *wōhmō, from Proto-Germanic *wōhmô (“noise, sound, shout, voice”), from Proto-Indo-European *wekʷ- (“to speak, sound”). Cognate with Old Norse ómr (“sound”), Old Norse ómun (“voice”), Old High German giwahan (“to mention”), Old Norse œmta (“to utter, mutter”), Latin vōx (“voice”).