The story
- Proto-Indo-European*men-
- Proto-Hellenic*mónwos
- Ancient Greekμόνος (mónos)
- Ancient Greekμονο- (mono-)
- Englishmono-
- Proto-Indo-European*dn̥ǵʰwéh₂s
- Proto-Italic*dn̥ɣwā
- Latindingua
- Latinlingua
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Latinlinguāli
- Englishlingual
- English todaymonolingual
Etymology from Wiktionary, CC BY-SA 4.0.