Etymology

tricuspid

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Today it means: Having three cusps, e.g. a molar tooth Full definition →

English cuspid ← Latin cuspid- ← Proto-Italic *tri-
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The story

  1. Proto-Indo-European*tréyes
  2. Proto-Indo-European*tri-
  3. Proto-Italic*tri-
  4. Latintri-
  5. Englishtri-
  6. Latincuspis
  7. Latincuspid-
  8. Englishcuspid
  9. English todaytricuspid

From tri- + cuspid.

Etymology from Wiktionary, CC BY-SA 4.0.