The story
- Proto-Indo-European*h₂eHs-
- Proto-Indo-European*h₂stḗr
- Proto-Hellenic*astḗr
- Ancient Greekἀστήρ (astḗr)
- Ancient Greekᾰ̓́στρον (ắstron)
- Englishastro-
- Englishparticle
- English todayastroparticle
Etymology from Wiktionary, CC BY-SA 4.0.
astroparticle
Today it means: A subatomic particle of cosmic origin Full definition →
English particle ← Ancient Greek ᾰ̓́στρον (ắstron) ← Proto-Hellenic *astḗr