Etymology

acyl

A1C3Y4L1

Today it means: Any of class of organic radicals, RCO-, formed by the removal of a hydroxyl group from a carboxylic acid. Full definition →

Ancient Greek ῡ̔́λη (hū́lē) ← Proto-Indo-European *swel-der.? ← Latin aceō
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The story

  1. Proto-Indo-European*h₂eḱ-
  2. Proto-Indo-European*h₂eḱéh₁yeti
  3. Proto-Italic*akēō
  4. Latinaceō
  5. Proto-Indo-European*swel-der.?
  6. Ancient Greekῡ̔́λη (hū́lē)
  7. English todayacyl

Ultimately from Latin ac(eō) + -yl.

Etymology from Wiktionary, CC BY-SA 4.0.