Where does “astronomie” come from?

astronomie (Middle English) comes from Old French astronomie, from Latin astronomia, from Ancient Greek ἀστρονομία, 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.

Ancestry of “astronomie”, step by step

StepLanguageWordMeaning
1Old Frenchastronomieastronomy
2Latinastronomiaastronomy
3Ancient Greekἀστρονομίαastronomy
4Ancient GreekἄστρονA celestial body
5Ancient Greekἀστήρa celestial body; illustrious person; starfish
6Proto-Hellenicastḗrstar
7Proto-Indo-Europeanh₂stḗrstar
8Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

Words derived from “astronomie

Every word from Proto-Indo-European h₂eHs-Every word from Proto-Indo-European h₂stḗrEvery word from Proto-Hellenic astḗr