polydental

The story

1. Proto-Indo-European*pleh₁-
2. Proto-Indo-European*polh₁ús
3. Ancient Greekπολῠ́ς (polŭ́s)
4. Englishpoly-
5. Proto-Indo-European*h₃ed-
6. Proto-Indo-European*h₃dónts
7. Proto-Italic*dents
8. Latindēns
9. Proto-Indo-European*h₂el-
10. Proto-Indo-European*h₂élisder.?
11. Medieval Latindentālis
12. Middle Frenchdenta
13. Late Latindentālis
14. Englishdental
15. English todaypolydental

From poly- + dental.