The story
- Proto-Indo-European*h₂eHs-
- Proto-Indo-European*h₂stḗr
- Proto-Hellenic*astḗr
- Ancient Greekἀστήρ (astḗr)
- Ancient Greekᾰ̓́στρον (ắstron)
- Englishastro-
- Englishphysical
- English todayastrophysical
Etymology from Wiktionary, CC BY-SA 4.0.
astrophysical
Today it means: Of or pertaining to astrophysics. Full definition →
English physical ← Ancient Greek ᾰ̓́στρον (ắstron) ← Proto-Hellenic *astḗr