Etymology

desulfur

D2E1S1U1L1F4U1R1

Today it means: to remove the sulfur from something (such as petroleum or flue gases) Full definition →

English sulfur ← Middle English sulphur ← Anglo-Norman sulfre
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The story

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latindē-
  6. Englishde-
  7. Latinsulpur
  8. Latinsulfur
  9. Latinsulphur
  10. Anglo-Normansulfre
  11. Middle Englishsulphur
  12. Englishsulfur
  13. English todaydesulfur

From de- + sulfur.

Etymology from Wiktionary, CC BY-SA 4.0.