The story
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰéh₂os
- Proto-Hellenic*pʰáwos
- Ancient Greekφᾰ́ος (phắos)
- Ancient Greekφῶς (phôs)
- Ancient Greekφωτο- (phōto-)
- Englishphoto-
- Proto-Indo-European*dewh₂-
- Proto-Hellenic*dunamai
- Ancient Greekδῠ́νᾰμαι (dŭ́nămai)
- Ancient Greekδύναμις (dúnamis)
- Ancient Greekδυναμικός (dunamikós)
- Frenchdynamique
- Englishdynamic
- Englishphotodynamic
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todayphotodynamically
From photodynamic + -ally.
Etymology from Wiktionary, CC BY-SA 4.0.