Etymology

pyrrolidinyl

P3Y4R1R1O1L1I1D2I1N1Y4L1

Today it means: A radical derived from pyrrolidine Full definition →

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

  1. Proto-Indo-European*péh₂wr̥
  2. Proto-Hellenic*pāwər
  3. Ancient Greekπῦρ (pûr)
  4. Ancient Greekπῠρρός (pŭrrhós)
  5. GermanPyrro
  6. Englishpyrrole
  7. Englishpyrrolidine
  8. Proto-Indo-European*swel-der.?
  9. Ancient Greekῡ̔́λη (hū́lē)
  10. English todaypyrrolidinyl

From pyrrolidine + -yl.

Etymology from Wiktionary, CC BY-SA 4.0.