Where does “trigeminate” come from?

trigeminate (English) comes from English geminate, from Latin geminātus, from Latin gemino, from Latin Geminus, from Latin geminus, from Proto-Italic jemanos, from Proto-Indo-European yemH- — twin.

trigeminate (English): Having three pairs

Definitions

  1. Having three pairs

Ancestry of “trigeminate”, step by step

trigeminate traces back through two separate lines of ancestry.

via English geminate

StepLanguageWordMeaning
1EnglishgeminateForming a pair; Of a consonant, pronounced longer...
2Latingeminātusdoubled, having been doubled
3Latingeminodative masculine singular of geminus; dative...
4LatinGeminustwinborn, twin
5Latingeminustwin; double, paired; a twin
6Proto-Italicjemanos
7Proto-Indo-EuropeanyemH-twin

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European yemH-
trigeminate — Etymology, Origin & Word History | Etymology Explorer