The story
- Proto-Indo-European*pleh₁-
- Proto-Indo-European*polh₁ús
- Ancient Greekπολῠ́ς (polŭ́s)
- Englishpoly-
- Proto-Indo-European*dn̥ǵʰwéh₂s
- Proto-Italic*dn̥ɣwā
- Latindingua
- Latinlingua
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Latinlinguāli
- Englishlingual
- English todaypolylingual
Etymology from Wiktionary, CC BY-SA 4.0.