Where does “καθέδρα” come from?

καθέδρα (Ancient Greek) comes from Ancient Greek κατά, from Ancient Greek καταστερίζω, 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.

καθέδρα (Ancient Greek): seat; sitting posture; teacher's chair,...

Definitions

  1. seat; sitting posture; teacher's chair,...

Ancestry of “καθέδρα”, step by step

καθέδρα traces back through two separate lines of ancestry.

via Ancient Greek κατά

StepLanguageWordMeaning
1Ancient Greekκατά
2Ancient Greekκαταστερίζωto place among the stars; I put among the stars
3Ancient Greekἀστήρa celestial body; illustrious person; starfish
4Proto-Hellenicastḗrstar
5Proto-Indo-Europeanh₂stḗrstar
6Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

via Ancient Greek ἕδρα

StepLanguageWordMeaning
1Ancient Greekἕδραseat, chair, stool, bench; the act of sitting;...
2Proto-Hellenic*hédrā—

Words derived from “καθέδρα”

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