The story
- Proto-Indo-European*kʷelh₁-redup.
- Proto-Indo-European*kʷekʷléh₂
- Proto-Germanic*hweulō
- Old Englishhwēol
- Middle Englishwhel
- Englishwheel
- Proto-Indo-European*bʰeg-der.?
- Proto-Germanic*baką
- Proto-West Germanic*bak
- Old Englishbæc
- Middle Englishbak
- Englishback
- English todaywheelback
Etymology from Wiktionary, CC BY-SA 4.0.