The story
- Proto-Indo-European*weh₁y-?
- Proto-Indo-European*wéyh₁ō
- Proto-Italic*wīnom
- Latinvīnum
- Proto-Indo-European*swel-der.?
- Ancient Greekῡ̔́λη (hū́lē)
- Englishvinyl
- Proto-Indo-European*péh₂wr̥
- Proto-Hellenic*pāwər
- Ancient Greekπῦρ (pûr)
- Ancient Greekπῠρρός (pŭrrhós)
- GermanPyrro
- Englishpyrrole
- Englishpyrrolidine
- GermanKeton
- Englishketone
- Englishpyrrolidone
- English todayvinylpyrrolidone
From vinyl + pyrrolidone.
Etymology from Wiktionary, CC BY-SA 4.0.