Etymology

oxo-

Today it means: Oxygen. Full definition →

English oxygen ← French oxygène ← Ancient Greek γένος (génos)
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The story

  1. Proto-Indo-European*h₂eḱ-der.?
  2. Ancient Greekὀξύς (oxús)
  3. Proto-Indo-European*ǵenh₁-
  4. Proto-Indo-European*ǵénh₁os
  5. Proto-Hellenic*génos
  6. Ancient Greekγένος (génos)
  7. Frenchoxygène
  8. Englishoxygen
  9. English todayoxo-

From oxygen + -o-.

Etymology from Wiktionary, CC BY-SA 4.0.