English Explanatory Dictionary

trackwheel

English dictionary entry

Meanings

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

Word forms

trackwheel trackwheels

Etymology

Etymology tree English track Proto-Indo-European *kʷel- Proto-Indo-European *kʷekʷléh₂ Proto-Germanic *hweulō Old English hwēol Middle English whel English wheel English trackwheel From track + wheel.

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