Etymograph

English

trackwheel

From track + wheel.

A compound of track + wheel

Old French trac ‘track of horses’

Middle English trak

English track

Proto-Indo-European *kʷékʷlos ‘wheel’

Proto-Germanic *hwehwlą ‘wheel’

Proto-Germanic *hweulō ‘wheels (plural of *hwehwlą)’

Old English hwēol ‘wheel’

Middle English whel ‘wheel’

English wheel

Today it means

noun A small wheel, incorporated into a mouse or smartphone, that controls scrolling.

Sources

Sources: Wiktionary, “trackwheel”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / trackwheel

Shirt and support for this word