Where does “astronomio” come from?

astronomio (Esperanto) comes from English astronomy, from Middle English astronomie, from Old French astronomie, from Latin astronomia, from Ancient Greek ἀστρονομία, from Ancient Greek ἄστρον, from Ancient Greek ἀστήρ, from Proto-Hellenic astḗr — to be/become dry; to burn, to glow; hearth.

astronomio (Esperanto): astronomy, the scientific study of celestial bodies

Definitions

  1. astronomy, the scientific study of celestial bodies

Ancestry of “astronomio”, step by step

astronomio traces back through 3 separate lines of ancestry.

via English astronomy

StepLanguageWordMeaning
1EnglishastronomyThe study of the physical universe beyond the...
2Middle Englishastronomie
3Old Frenchastronomieastronomy
4Latinastronomiaastronomy
5Ancient Greekἀστρονομίαastronomy
6Ancient GreekἄστρονA celestial body
7Ancient Greekἀστήρa celestial body; illustrious person; starfish
8Proto-Hellenicastḗrstar
9Proto-Indo-Europeanh₂stḗrstar
10Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

via Italian astronomia

StepLanguageWordMeaning
1Italianastronomiaastronomy

via French astronomie

StepLanguageWordMeaning
1Frenchastronomieastronomy
Every word from Proto-Indo-European h₂eHs-
astronomio — Etymology, Origin & Word History | Etymology Explorer