English Explanatory Dictionary

thumbwheel

English dictionary entry

Meanings

noun
  1. A small thumb or finger-operated wheel on a mechanical or electronic device.

Word forms

thumbwheel thumbwheels

Etymology

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

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