Etymology

hydrogenation

H4Y4D2R1O1G2E1N1A1T1I1O1N1

Today it means: The chemical reaction of hydrogen with another substance, especially with an unsaturated organic compound, and usually under the influence of temperature, pressure and catalysts. Full definition →

English hydrogen ← French hydrogène ← Ancient Greek γένος (génos)
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The story

  1. Proto-Indo-European*wed-
  2. Proto-Indo-European*wódr̥
  3. Proto-Hellenic*údōr
  4. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
  5. Ancient Greekὑδρο- (hudro-)
  6. Frenchhydro-
  7. Proto-Indo-European*ǵenh₁-
  8. Proto-Indo-European*ǵénh₁os
  9. Proto-Hellenic*génos
  10. Ancient Greekγένος (génos)
  11. Frenchhydrogène
  12. Englishhydrogen
  13. English todayhydrogenation

From hydrogen + -ation.

Etymology from Wiktionary, CC BY-SA 4.0.