Where does “astronaut” come from?

astronaut (Romanian) comes from English astronaut, from English astro-, 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.

astronaut (Romanian): astronaut

Definitions

  1. astronaut

Ancestry of “astronaut”, step by step

astronaut traces back through two separate lines of ancestry.

via English astronaut

StepLanguageWordMeaning
1EnglishastronautA member of the crew of a spaceship or other...
2Englishastro-celestial bodies: fixed stars, wandering stars (planets), etc.; space; astronomy
3Ancient GreekἄστρονA celestial body
4Ancient Greekἀστήρa celestial body; illustrious person; starfish
5Proto-Hellenicastḗrstar
6Proto-Indo-Europeanh₂stḗrstar
7Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

via French astronaute

StepLanguageWordMeaning
1Frenchastronauteastronaut
2Frenchastro-astro

Words derived from “astronaut

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