Where does “pentacuspid” come from?

pentacuspid (English) comes from English cuspid, from Latin cuspis, from Proto-Indo-European spey- — sharp point, stick.

pentacuspid (English): Having five cusps

Definitions

  1. Having five cusps

Ancestry of “pentacuspid”, step by step

pentacuspid traces back through two separate lines of ancestry.

via English cuspid

StepLanguageWordMeaning
1EnglishcuspidA tooth with a single cusp; a canine
2Latincuspispoint, tip; spit; sting
3Proto-Indo-Europeanspey-sharp point, stick

via English penta

StepLanguageWordMeaning
1Englishpenta—
Every word from Proto-Indo-European spey- →Every word from Latin cuspis →Every word from English cuspid →