vice-chair

Etymology tree
Proto-Indo-European *weyk-der.
Latin viceder.
English vice-
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
English vice-chair
From vice- + chair.