The story
- Proto-Indo-European*koḱs-
- Proto-Indo-European*kóḱseh₂
- Proto-Italic*koksā
- Late Latincoxa
- Old Frenchcuisse
- Frenchcuisse
- English todaycuisse
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.
Etymology from Wiktionary, CC BY-SA 4.0.