Etymology

menadione

M3E1N1A1D2I1O1N1E1

Today it means: A synthetic yellow compound C₁₁H₈O₂ with the biological activity of natural vitamin K menaquinone, used to treat hemorrhage. Full definition →

English dione ← German Keton ← Latin di-
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The story

  1. Proto-Indo-European*médʰu
  2. Proto-Hellenic*métʰu
  3. Ancient Greekμέθυ (méthu)
  4. Proto-Indo-European*swel-der.?
  5. Ancient Greekῡ̔́λη (hū́lē)
  6. GermanMethy
  7. Englishme(thyl)
  8. Akkadiannapṭumbor.?
  9. Old Persian*naftah
  10. Ancient Greekνάφθα (náphtha)
  11. Latinnaphtha
  12. Englishnaphth(a)
  13. Englishna(phthalene)
  14. Proto-Indo-European*dwóh₁
  15. Proto-Indo-European*dwi-
  16. Proto-Hellenic*dwi-
  17. Ancient Greekδῐ- (dĭ-)
  18. Latindi-
  19. Englishdi-
  20. GermanKeton
  21. Englishketone
  22. Englishdione
  23. English todaymenadione

From me(thyl) + na(phthalene) + dione.

Etymology from Wiktionary, CC BY-SA 4.0.