Portuguese-based creole languages used to distinguish locally born black people of African descent from those who had been brought from Africa as slaves. In time, however, this generic sense was lost, and the word "crioulo" or its derivatives (like "Creole" and its equivalents in other languages) became the name of several specific Upper Guinean communities and their languages: the Guinean people and their Kriol language, Cape Verdean people and their Kriolu language, all of which still today have very vigorous use, suppressing the importance of official standard Portuguese. The oldest Portuguese-based creole are the so-called "crioulos" of Upper Guinea, born around the Portuguese
Criollo people The word "criollo" and its Portuguese cognate "crioulo" are believed by some scholars, including the eminent Mexican anthropologist Gonzalo Aguirre Beltrán, to derive from the Spanish/Portuguese verb "criar", meaning "to breed" or "to raise"; however, no evidence supports this derivation in early Spanish literature discussing the origin of the word. Originally, the term was meant to distinguish the members of any foreign ethnic group who were born and "raised" locally, from those born in the group's homeland, as well as from persons of mixed ethnic ancestry. Thus, in the Portuguese colonies of Africa, "português crioulo" was a locally born white