Latin word duorum comes from Proto-Indo-European *deu-, Proto-Indo-European *dwó, and later Proto-Italic *duō (Two.)

Detailed word origin of duorum

Dictionary entry	Language	Definition
*deu-	Proto-Indo-European (ine-pro)	to injure, destroy, burn
*dwó	Proto-Indo-European (ine-pro)
duellum	Old Latin (itc-ola)
*duō	Proto-Italic (itc-pro)	Two.
duos	Latin (lat)
duorum	Latin (lat)

Words with the same origin as duorum