The name "Guyana" derives from ''Guiana'', the original name for the region that formerly included Guyana (British Guiana), Suriname (Dutch Guiana), French Guiana, and parts of Colombia, Venezuela and Brazil. According to the ''Oxford English Dictionary'', "Guyana" comes from an indigenous Amerindian language and means "land of many waters". ''The Co‑operative Republic'' in the official name referred to co-operative socialism.