Latin word cupreus comes from Latin cuprum (Copper (the metal).), Latin -eus

Detailed word origin of cupreus

Dictionary entry	Language	Definition
cuprum	Latin (lat)	Copper (the metal).
-eus	Latin (lat)	(with materials) Used to form adjectives from nouns, to indicate the source of an attribute. In adopted Greek words, surviving thus or as -īvus.
cupreus	Latin (lat)	(attributive) copper; copper-coloured.

Words with the same origin as cupreus