The story
- Englishfacio-
- Proto-Indo-European*upó
- Ancient Greekῠ̔πό (hŭpó)
- Ancient Greekῠ̔πο- (hŭpo-)
- Proto-Hellenic*glṓt͏̌t͏̌ā
- Ancient Greekγλῶσσᾰ (glôssă)
- Ancient Greekῠ̔πόγλωσσος (hŭpóglōssos)
- New Latinhypoglōssus
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishhypoglossal
- English todayfaciohypoglossal
From facio- + hypoglossal.
Etymology from Wiktionary, CC BY-SA 4.0.