The story
- Proto-Indo-European*peth₂-
- Proto-Indo-European*pet-
- Proto-Hellenic*pétalos
- Ancient Greekπέταλον (pétalon)
- Englishpetal
- Proto-Indo-European*weyd-
- Proto-Indo-European*wéydos
- Proto-Hellenic*wéidos
- Ancient Greekεἶδος (eîdos)
- English todaypetaloid
Etymology from Wiktionary, CC BY-SA 4.0.