Etymology

pentafluorobenzyl

Today it means: A form of the benzyl radical in which each of the hydrogen atoms of the benzene ring has been replaced by fluorine Full definition →

English benzyl ← Ancient Greek ῡ̔́λη (hū́lē) ← Proto-Indo-European *swel-der.?
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The story

  1. Proto-Indo-European*pénkʷe
  2. Proto-Hellenic*pénkʷe
  3. Ancient Greekπέντε (pénte)
  4. Ancient Greekπεντᾰ- (pentă-)
  5. Englishpenta-
  6. Proto-Indo-European*bʰel-
  7. Proto-Indo-European*bʰlewH-
  8. Proto-Indo-European*bʰluH-yé-ti?
  9. Latinfluō
  10. Latinfluor
  11. Englishfluoro-
  12. Arabicلُبَان (lubān)
  13. Proto-Indo-European*yew-
  14. Proto-Indo-European*yéwos
  15. Proto-Indo-Iranian*yáwas
  16. Sanskritयव (yava)bor.?
  17. Proto-Austronesian*zawa
  18. Proto-Malayo-Polynesian*zawader.?
  19. Old Javanesejawa
  20. Old JavaneseJawi
  21. Javaneseꦗꦮꦶ (jawi)
  22. Arabicجَاوَة (jāwa)
  23. Arabicـِيّ (-iyy)
  24. Arabicجَاوِيّ (jāwiyy)
  25. Arabicلُبَان جَاوِيّ (lubān jāwiyy)
  26. Catalanbenjuí
  27. Middle Frenchbenjoin
  28. Englishbenzoin
  29. Englishbenzo-
  30. Englishbenz-
  31. Proto-Indo-European*swel-der.?
  32. Ancient Greekῡ̔́λη (hū́lē)
  33. Englishbenzyl
  34. English todaypentafluorobenzyl

From penta- + fluoro- + benzyl.

Etymology from Wiktionary, CC BY-SA 4.0.