Etymology

tetrafluoride

T1E1T1R1A1F4L1U1O1R1I1D2E1

Today it means: Any fluoride containing four 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*kʷetwóres
  2. Proto-Hellenic*kʷétwores
  3. Ancient Greekτέσσᾰρες (téssăres)
  4. Ancient Greekτετρᾰ- (tetră-)
  5. Englishtetra-
  6. Proto-Indo-European*bʰel-
  7. Proto-Indo-European*bʰlewH-
  8. Proto-Indo-European*bʰluH-yé-ti?
  9. Latinfluō
  10. Latinfluor
  11. Englishfluor(ine)
  12. Proto-Indo-European*dʰeh₁-
  13. Englishfluoride
  14. English todaytetrafluoride

From tetra- + fluoride.

Etymology from Wiktionary, CC BY-SA 4.0.