Where does “cadeira” come from?

cadeira (Portuguese) comes from Old Portuguese cadeira, from Vulgar Latin cathegra, from Latin cathēdra, from Ancient Greek καθέδρα, from Ancient Greek κατά, from Ancient Greek καταστερίζω, from Ancient Greek ἀστήρ, from Proto-Hellenic astḗr — to be/become dry; to burn, to glow; hearth.

cadeira (Portuguese): chair

Definitions

  1. chair

Ancestry of “cadeira”, step by step

StepLanguageWordMeaning
1Old Portuguesecadeira—
2Vulgar Latincathegra—
3Latincathēdraarmchair (having cushions and supports)
4Ancient Greekκαθέδραseat; sitting posture; teacher's chair,...
5Ancient Greekκατά
6Ancient Greekκαταστερίζωto place among the stars; I put among the stars
7Ancient Greekἀστήρa celestial body; illustrious person; starfish
8Proto-Hellenicastḗrstar
9Proto-Indo-Europeanh₂stḗrstar
10Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

Words derived from “cadeira”

Every word from Proto-Indo-European h₂eHs- →Every word from Proto-Indo-European h₂stḗr →Every word from Proto-Hellenic astḗr →