Etymology

interdental

I1N1T1E1R1D2E1N1T1A1L1

Today it means: Pertaining to the space between the teeth. Full definition →

English dental ← Late Latin dentālis ← Middle French denta
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The story

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁n̥tér
  3. Proto-Italic*n̥ter
  4. Latininter
  5. Latininter-
  6. Englishinter-
  7. Proto-Indo-European*h₃ed-
  8. Proto-Indo-European*h₃dónts
  9. Proto-Italic*dents
  10. Latindēns
  11. Proto-Indo-European*h₂el-
  12. Proto-Indo-European*h₂élisder.?
  13. Medieval Latindentālis
  14. Middle Frenchdenta
  15. Late Latindentālis
  16. Englishdental
  17. English todayinterdental

From inter- + dental.

Etymology from Wiktionary, CC BY-SA 4.0.