Etymology

haloacetylene

H4A1L1O1A1C3E1T1Y4L1E1N1E1

Today it means: Any halogen substituted acetylene; a haloalkyne Full definition →

English acetylene ← French acétylène ← Ancient Greek ᾰ̔́λς (hắls)
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The story

  1. Proto-Indo-European*sḗh₂l
  2. Proto-Hellenic*hā́ls
  3. Ancient Greekᾰ̔́λς (hắls)
  4. Englishhalo-
  5. Frenchacétylène
  6. Englishacetylene
  7. English todayhaloacetylene

From halo- + acetylene.

Etymology from Wiktionary, CC BY-SA 4.0.