Etymology

hydrogenosome

H4Y4D2R1O1G2E1N1O1S1O1M3E1

Today it means: A membrane-bound form of organelles that produce molecular hydrogen and ATP in some anerobic ciliates, trichomonads and fungi, remarkable in that most forms contain no DNA. Full definition →

Ancient Greek σῶμα (sôma) ← Proto-Hellenic *styṓmə? ← Proto-Indo-European *(s)tyoH-mn̥
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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. Proto-Indo-European*tewh₂-
  14. Proto-Indo-European*twoH-mn̥
  15. Proto-Hellenic*twṓmə?
  16. Proto-Indo-European*styeH-
  17. Proto-Indo-European*(s)tyoH-mn̥
  18. Proto-Hellenic*styṓmə?
  19. Ancient Greekσῶμα (sôma)
  20. English todayhydrogenosome

From hydrogen + -o- + -some.

Etymology from Wiktionary, CC BY-SA 4.0.