The story
- Proto-Indo-European*h₂eHs-
- Proto-Indo-European*h₂stḗr
- Proto-Hellenic*astḗr
- Ancient Greekἀστήρ (astḗr)
- Ancient Greekᾰ̓́στρον (ắstron)
- Englishastro-
- Englishglia
- Englishastroglia
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- English todayastroglial
Etymology from Wiktionary, CC BY-SA 4.0.