Etymology

chlorosulfonyl

C3H4L1O1R1O1S1U1L1F4O1N1Y4L1

Today it means: The univalent radical Cl-SO₂- Full definition →

English sulfonyl ← Ancient Greek ῡ̔́λη (hū́lē)
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The story

  1. Englishchloro-
  2. Englishsulfonic
  3. Ancient Greekῡ̔́λη (hū́lē)
  4. Englishsulfonyl
  5. English todaychlorosulfonyl

From chloro- + sulfonyl.

Etymology from Wiktionary, CC BY-SA 4.0.