Etymology

fentanyl

F4E1N1T1A1N1Y4L1

Today it means: A synthetic opioid narcotic analgesic, C₂₂H₂₈N₂O, with pharmacological action similar to morphine that is administered transdermally as a skin patch and in the form of its citrate, C₂₂H₂₈N₂O·C₆H₈O₇, is administered orally or parenterally (as by intravenous or epidural injection); N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide. Full definition →

English anil(ide) ← Proto-Indo-European *dʰeh₁- ← Latin ammoniacus
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The story

  1. Proto-Indo-European*bʰeh₂-
  2. Proto-Indo-European*bʰh₂nyéti
  3. Proto-Hellenic*pʰáňňō
  4. Ancient Greekφαίνω (phaínō)
  5. Frenchphéno-
  6. Proto-Indo-European*swel-der.?
  7. Ancient Greekῡ̔́λη (hū́lē)
  8. Frenchphényle
  9. Englishphenyl
  10. Proto-Indo-European*h₂eydʰ-
  11. Proto-Hellenic*áitʰō
  12. Ancient Greekαἴθω (aíthō)
  13. Ancient Greekᾱ̓ήρ (āḗr)influ.?
  14. Ancient Greekαἰθήρ (aithḗr)
  15. Latinaethēr
  16. GermanÄther
  17. GermanEther
  18. Ancient Greekῡ̔́λη (hū́lē)
  19. GermanEthy
  20. Englishethyl
  21. Englishphen(yle)th(yl)
  22. Proto-Indo-European*neyH-der.?
  23. Sanskritनील॑ (nī́la)
  24. Middle Persian𐭭𐭩𐭫 (nīl)
  25. Arabicنِيل (nīl)
  26. Portugueseanil
  27. GermanAnilin
  28. Englishaniline
  29. Egyptianjmn
  30. Ancient GreekᾸ̓́μμων (Ắmmōn)
  31. LatinAmmōn
  32. Latinammoniacus
  33. Englishammonia
  34. Proto-Indo-European*dʰeh₁-
  35. Englishamide
  36. Englishanil(ide)
  37. English todayfentanyl

From phen(yle)th(yl) + anil(ide).

Etymology from Wiktionary, CC BY-SA 4.0.