The story
- Proto-Indo-European*h₂ewis
- Proto-Indo-European*dʰeh₁-
- Proto-Italic*awizdiō
- Latinaudi(ō)
- Englishaudio-
- Proto-Indo-European*m(y)ewh₁-
- Proto-Indo-European*m(y)owh₁éyeti
- Proto-Italic*moweō
- Latinmoveō
- Latinmōtor
- Middle Englishmotour
- Englishmotor
- English todayaudiomotor
Etymology from Wiktionary, CC BY-SA 4.0.