Where does “trifacial” come from?

trifacial (English) comes from English facial, from Latin facialis, from Latin faciēs, from Latin faciō, from Latin -torium, from Latin -tōrius, from Latin -tor, from Proto-Italic -tōr.

trifacial (English): trigeminal; trigeminal nerve

Definitions

  1. trigeminal; trigeminal nerve

Ancestry of “trifacial”, step by step

trifacial traces back through two separate lines of ancestry.

via English facial

StepLanguageWordMeaning
1EnglishfacialOf or affecting the face; on its face; as it...
2Latinfacialisfacial
3Latinfaciēsmake, form, shape, figure, configuration
4Latinfaciōto do
5Latin-toriumnominative neuter singular of -tōrius; accusative...
6Latin-tōriusory
7Latin-tor-er
8Proto-Italic-tōrForms agent nouns to verb stems
9Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
10Proto-Indo-European-tor-s

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European -tor-s