Where does “trigeminality” come from?

trigeminality (English) comes from English trigeminal, from Italian trigemino, from Italian gemino, from Latin Geminus, from Latin geminus, from Proto-Italic jemanos, from Proto-Indo-European yemH- — twin.

trigeminality (English): A sensation of the trigeminal nerve

Definitions

  1. A sensation of the trigeminal nerve

Ancestry of “trigeminality”, step by step

trigeminality traces back through two separate lines of ancestry.

via English trigeminal

StepLanguageWordMeaning
1EnglishtrigeminalOf or pertaining to the trigeminal nerve;...
2Italiantrigeminotriplet; trigeminal
3Italiangeminotwin; geminous; first-person singular present...
4LatinGeminustwinborn, twin
5Latingeminustwin; double, paired; a twin
6Proto-Italicjemanos
7Proto-Indo-EuropeanyemH-twin

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European yemH-