touchstone

English

/ˈtʌtʃstəʊn/

noun
Definitions
  • A stone used to check the quality of gold alloys by rubbing them to leave a visible trace.
  • (figurative) A standard of comparison or evaluation.

Etymology

Compound from English touch + English stone.

Origin

English

stone

Gloss

Timeline

Distribution of cognates by language

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Cognates and derived terms