Etymology

haloacid

H4A1L1O1A1C3I1D2

Today it means: Any halogen derivative of a carboxylic acid (but especially 2-chloro-carboxylic acids that are active in cell biology). Full definition →

English acid ← French acide ← Latin acidu
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The story

  1. Proto-Indo-European*sḗh₂l
  2. Proto-Hellenic*hā́ls
  3. Ancient Greekᾰ̔́λς (hắls)
  4. Englishhalo-
  5. Latinacidu
  6. Frenchacide
  7. Englishacid
  8. English todayhaloacid

From halo- + acid.

Etymology from Wiktionary, CC BY-SA 4.0.