The story
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰh₂nyéti
- Proto-Hellenic*pʰáňňō
- Ancient Greekφαίνω (phaínō)
- Frenchphéno-
- Proto-Indo-European*swel-der.?
- Ancient Greekῡ̔́λη (hū́lē)
- Frenchphényle
- Englishphenyl
- Englishpheno-
- Proto-Indo-European*leǵ-
- Proto-Indo-European*lóǵos
- Proto-Hellenic*lógos
- Ancient Greekλόγος (lógos)
- Englishphenology
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- English todayphenological
From phenology + -ical.
Etymology from Wiktionary, CC BY-SA 4.0.