The story
- Proto-Indo-European*leb-
- Proto-Indo-European*l̥b-yóm
- Proto-Italic*labjom
- Latinlabium
- Englishlabio-
- Proto-Indo-European*dn̥ǵʰwéh₂s
- Proto-Italic*dn̥ɣwā
- Latindingua
- Latinlingua
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Latinlinguāli
- Englishlingual
- English todaylabiolingual
Etymology from Wiktionary, CC BY-SA 4.0.