The story
- Middle Englishhele
- Englishheel
- Proto-Indo-European*kʷelh₁-redup.
- Proto-Indo-European*kʷekʷléh₂
- Proto-Germanic*hweulō
- Old Englishhwēol
- Middle Englishwhel
- Englishwheel
- Englishwheelie
- English todayheelies
Blend of heel + wheelie. Heelys, the original, are a branded version.
Etymology from Wiktionary, CC BY-SA 4.0.