The story
- Proto-Indo-European*m(y)ewh₁-
- Proto-Indo-European*m(y)owh₁éyeti
- Proto-Italic*moweō
- Latinmoveō
- Latinmōtor
- Middle Englishmotour
- Englishmotor
- Proto-Indo-European*mon-
- Proto-Germanic*mann-
- Proto-West Germanic*mann
- Old Englishmann
- Middle Englishman
- English todaymotorman
Etymology from Wiktionary, CC BY-SA 4.0.