trifluoroethyl

T1R1I1F4L1U1O1R1O1E1T1H4Y4L1

noun

Any trifluoro derivative of an ethyl radical, but especially CF₃CH₂-

OriginEnglish ethyl ← German Ethy ← Ancient Greek ῡ̔́λη (hū́lē) →
Scrabble 23
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Meanings

noun
  1. chemistryAny trifluoro derivative of an ethyl radical, but especially CF₃CH₂-

Origin

  1. Proto-Indo-European*tréyes
  2. Proto-Indo-European*tri-
  3. Proto-Italic*tri-
  4. Latintri-
  5. Englishtri-
  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. Englishfluorescencebf.
  20. Englishfluoresce
  21. Englishfluor(escent)
  22. Latinō
  23. Old Frenchoh
  24. Middle Englisho
  25. EnglishO
  26. Middle Englisho
  27. Englishoh
  28. Englishfluoro
  29. Englishtrifluoro
  30. Proto-Indo-European*h₂eydʰ-
  31. Proto-Hellenic*áitʰō
  32. Ancient Greekαἴθω (aíthō)
  33. Ancient Greekᾱ̓ήρ (āḗr)influ.?
  34. Ancient Greekαἰθήρ (aithḗr)
  35. Latinaethēr
  36. GermanÄther
  37. GermanEther
  38. Proto-Indo-European*swel-der.?
  39. Ancient Greekῡ̔́λη (hū́lē)
  40. GermanEthy
  41. Englishethyl
  42. Englishtrifluoroethyl

From trifluoro + ethyl.

Full word history & related roots →
Cite this entry
APA

trifluoroethyl. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/trifluoroethyl

MLA

“trifluoroethyl.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trifluoroethyl. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “trifluoroethyl,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/trifluoroethyl.

Source: trifluoroethyl on Wiktionary, CC BY-SA 4.0.