trackwheel en · NOUN
Etymology
Etymology tree English track Proto-Indo-European *kʷelh₁-redup. Proto-Indo-European *-os Proto-Indo-European *kʷekʷléh₂ Proto-Germanic *hweulō Old English hwēol Middle English whel English wheel English trackwheel From track + wheel.
Meanings
- A small wheel, incorporated into a mouse or smartphone, that controls scrolling.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| trackwheels | Number=Plur | lexicographic |