Where does “ἀστρολάβος” come from?

ἀστρολάβος (Ancient Greek) comes 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.

ἀστρολάβος (Ancient Greek): armillary sphere; planisphere

Definitions

  1. armillary sphere; planisphere

Ancestry of “ἀστρολάβος”, step by step

ἀστρολάβος traces back through two separate lines of ancestry.

via Ancient Greek ἄστρον

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

via Ancient Greek λαμβάνω

StepLanguageWordMeaning
1Ancient GreekλαμβάνωI take; I receive, get; I take hold of
2Proto-Hellenichlagʷ-
3Proto-Indo-European(s)leh₂gʷ-to seize, take; to take, seize

Words derived from “ἀστρολάβος

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