Etymology

bifluorescence

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Today it means: Simultaneous fluorescence at two wavelengths. Full definition →

English fluorescence ← Middle English sparston ← Old English spærstān
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbi-
  5. Englishbi-
  6. Proto-Indo-European*bʰel-
  7. Proto-Indo-European*bʰlewH-
  8. Proto-Indo-European*bʰluH-yé-ti?
  9. Latinfluō
  10. Latinfluor
  11. Englishfluor
  12. Englishfluorite
  13. Middle Low Germanspar
  14. Old Englishspærstān
  15. Middle Englishsparston
  16. Englishsparstonebf.
  17. Englishspar
  18. Englishfluorspar
  19. Englishfluorescence
  20. English todaybifluorescence

From bi- + fluorescence.

Etymology from Wiktionary, CC BY-SA 4.0.