Etymology

quinone

Q10U1I1N1O1N1E1

Today it means: Any of a class of aromatic compounds having two carbonyl functional groups in the same six-membered ring. Full definition →

English ketone ← German Keton
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The story

  1. Englishquinine
  2. Englishquinic
  3. GermanKeton
  4. Englishketone
  5. English todayquinone

From quinic acid + -one, since it is one of the compounds obtained upon oxidation of quinic acid.

Etymology from Wiktionary, CC BY-SA 4.0.