noun, masculine/riˈɲon/plural: riñones
kidney; kidney ore, hematite; an arm and a leg
“Esto cuesta un riñón” — This costs an arm and a leg
Etymology tree Latin rēnder. Vulgar Latin *rēniō Vulgar Latin -ōnem Vulgar Latin *rēniōnem Spanish riñón Inherited from Vulgar Latin *rēniōnem, from Latin rēn (“kidney”). Cognate with Italian rognone and French rognon. Compare the more archaic word rene.