Where does “astro” come from?

astro (Italian) comes from Latin astrum, from Ancient Greek ἄστρον, from Ancient Greek ἀστήρ, from Proto-Hellenic astḗr, from Proto-Indo-European h₂stḗr, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.

astro (Italian): celestial body, star; A person exceptionally...

Definitions

  1. celestial body, star; A person exceptionally...

Ancestry of “astro”, step by step

StepLanguageWordMeaning
1Latinastruma star
2Ancient GreekἄστρονA celestial body
3Ancient Greekἀστήρa celestial body; illustrious person; starfish
4Proto-Hellenicastḗrstar
5Proto-Indo-Europeanh₂stḗrstar
6Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

Words derived from “astro

Every word from Proto-Indo-European h₂eHs-