cuisse

Borrowed from French cuisse (“thigh”), from Old French cuisse, from Late Latin coxa (“thigh”), from Proto-Italic *koksā, from Proto-Indo-European *kóḱseh₂, from *koḱs- (“joint, limb”) + *-eh₂. Compare French cuissard, Old French cuissot (“armour for the thigh, cuish”). Doublet of coxa.