French word pansu comes from French panse (Belly.), French -u

Detailed word origin of pansu

Dictionary entry	Language	Definition
panse	French (fra)	Belly.
-u	French (fra)	Forming adjectives having the sense of ‘having quality of, being provided with’ (the root word).
pansu	French (fra)	Potbellied, paunchy.

Words with the same origin as pansu