French rognon

← Spanish riñón (cognate)

← French rein (cognate)

← French -on (affix)

← Middle French rognon (inherited)

← Middle French roignon (mention)

← Old French roignon (inherited)

← Old French rognon (mention)

← Latin *rēniōnem (mention)

← Latin rēn (inherited)

← Norman rignon (cognate)

← Occitan renhon (cognate)

→ Catalan ronyó (cognate)

→ Spanish riñón (cognate)

→ Friulian rognon (cognate)