Etymology

tetroxide

T1E1T1R1O1X8I1D2E1

Today it means: any oxide containing four oxygen atoms in each molecule. Full definition →

English oxide ← French oxide ← Latin acidu
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The story

  1. Englishtetr-
  2. Proto-Indo-European*h₂eḱ-der.?
  3. Ancient Greekὀξύς (oxús)
  4. Proto-Indo-European*ǵenh₁-
  5. Proto-Indo-European*ǵénh₁os
  6. Proto-Hellenic*génos
  7. Ancient Greekγένος (génos)
  8. Frenchoxygène
  9. Proto-Indo-European*h₂eḱ-
  10. Proto-Indo-European*h₂eḱéh₁yeti
  11. Proto-Italic*akēō
  12. Latinaceō
  13. Proto-Indo-European*dʰeh₁-
  14. Latinacidu
  15. Frenchacide
  16. Frenchoxide
  17. Englishoxide
  18. English todaytetroxide

From tetr- + oxide.

Etymology from Wiktionary, CC BY-SA 4.0.