The story
- Proto-Indo-European*h₂eǵ-?
- Proto-Indo-European*h₂eḱs-
- Proto-Italic*aksis
- Latinaxis
- Englishaxis
- Englishaxio-
- Proto-Indo-European*leb-
- Proto-Indo-European*l̥b-yóm
- Proto-Italic*labjom
- Latinlabium
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Medieval Latinlabiālis
- Englishlabial
- English todayaxiolabial
Etymology from Wiktionary, CC BY-SA 4.0.