Etymology

difluoride

D2I1F4L1U1O1R1I1D2E1

Today it means: any chloride containing two fluorine atoms in each molecule Full definition →

English fluoride ← Proto-Indo-European *dʰeh₁- ← Latin fluor
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Proto-Indo-European*bʰel-
  8. Proto-Indo-European*bʰlewH-
  9. Proto-Indo-European*bʰluH-yé-ti?
  10. Latinfluō
  11. Latinfluor
  12. Englishfluor(ine)
  13. Proto-Indo-European*dʰeh₁-
  14. Englishfluoride
  15. English todaydifluoride

From di- + fluoride.

Etymology from Wiktionary, CC BY-SA 4.0.