The story
- Proto-Indo-European*h₂eHs-
- Proto-Indo-European*h₂stḗr
- Proto-Hellenic*astḗr
- Ancient Greekἀστήρ (astḗr)
- Ancient Greekᾰ̓́στρον (ắstron)
- Englishastro-
- Proto-Indo-European*dewh₂-
- Proto-Hellenic*dunamai
- Ancient Greekδῠ́νᾰμαι (dŭ́nămai)
- Ancient Greekδύναμις (dúnamis)
- Ancient Greekδυναμικός (dunamikós)
- Frenchdynamique
- Englishdynamic
- Englishastrodynamic
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todayastrodynamically
From astrodynamic + -ally.
Etymology from Wiktionary, CC BY-SA 4.0.