Etymology

hydrogen

hy·dro·gen
H4Y4D2R1O1G2E1N1

Today it means: The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008. Full definition →

French hydrogène ← Ancient Greek γένος (génos) ← Proto-Hellenic *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. English todayhydrogen

Borrowed from French hydrogène (“hydrogen”), coined by the French chemists Louis-Bernard Guyton de Morveau (1737–1816) and Antoine Lavoisier (1743–1794) from hydro- (prefix meaning ‘water’) + -gène (suffix denoting a producer of something), from the fact that water is produced as a compound when hydrogen is oxidized. * The prefix hydro- is borrowed from Ancient Greek ῠ̔δρο- (hŭdro-), from ῡ̆̔́δωρ (hū̆́dōr, “water”), ultimately from Proto-Indo-European *wed- (“water”). * The suffix -gène is borrowed from Ancient Greek -γενής (-genḗs, suffix meaning ‘born in a certain condition or place’), from γένος (génos, “descendant, offspring; race; etc.”) (ultimately from Proto-Indo-European *ǵenh₁- (“to beget, produce; to give birth”)) + -ης (-ēs, suffix forming some third-declension adjectives). By surface analysis, hydro- (prefix meaning ‘water’) + -gen (suffix denoting a producer of something).

Words from the same roots

Ancient Greekῠ̔δρο- all →

Proto-Indo-European*wed- all →

washotterouseusquebaugh

Proto-Indo-European*ǵenh₁- all →

kingnatalpathogenIgnatiuspunygenitiveimpregnablealkinau naturelgemmulegneevepalingenesiapalingenesispuisne

Etymology from Wiktionary, CC BY-SA 4.0.