chairship

Etymology tree
Proto-Indo-European *ḱe?
Proto-Indo-European *ḱóm
Proto-Indo-European *ḱm̥-th₂der.?
Proto-Hellenic *kətá
Ancient Greek κατά (katá)
Proto-Indo-European *sed-der.
Proto-Indo-European *sedreh₂
Proto-Hellenic *hédrā
Ancient Greek ἕδρα (hédra)
Ancient Greek κᾰθέδρᾱ (kăthédrā)bor.
Latin cathedrader.
Old French chaierebor.
Middle English chayere
English chair
Proto-Germanic *skapjaną
Proto-Germanic *-skapiz
Proto-West Germanic *-skapi
Old English -sċiepe
Middle English -schipe
English -ship
English chairship
From chair + -ship.