powerchair

Etymology tree
Proto-Indo-European *pótis
Proto-Italic *potis
Proto-Indo-European *h₁es-
Proto-Indo-European *h₁ésti
Proto-Indo-European *bʰuH-
Proto-Indo-European *bʰúHt
Proto-Italic *som
Proto-Italic *possom
Latin posseder.
Vulgar Latin potēre
Old French pooir
Anglo-Norman poerbor.
Middle English power
English power
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 powerchair
From power + chair.