Etymology

aldehyde

A1L1D2E1H4Y4D2E1

Today it means: Any of a large class of reactive organic compounds (R·CHO) having a carbonyl functional group attached to one hydrocarbon radical and a hydrogen atom. Full definition →

German Aldehyd ← Ancient Greek ῠ̔δρο- (hŭdro-) ← Proto-Hellenic *údōr
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The story

  1. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
  2. Aramaicכוחלא (kuḥlā)
  3. Arabicكُحْل (kuḥl)
  4. Andalusian Arabicكُحُول (kuḥūl)
  5. Latinalcohol
  6. Proto-Indo-European*de
  7. Proto-Indo-European*déh₁
  8. Proto-Italic*dē
  9. Latindē
  10. Latinde-
  11. Proto-Indo-European*wed-
  12. Proto-Indo-European*wódr̥
  13. Proto-Hellenic*údōr
  14. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
  15. Ancient Greekῠ̔δρο- (hŭdro-)
  16. GermanAldehyd
  17. English todayaldehyde

Borrowed from German Aldehyd, a contraction of the Latin al(cohol) dehyd(rogenātum).

Etymology from Wiktionary, CC BY-SA 4.0.