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
History of condoms and "cumdum" (scabbard or case). It has also been speculated to be from the Italian word "guantone", derived from "guanto", meaning glove. William E. Kruck wrote an article in 1981 concluding that, ""As for the word 'condom', I need state only that its origin remains completely unknown, and there ends this search for an etymology."" Modern dictionaries may also list the etymology as "unknown". Other terms are also commonly used to describe condoms. In North America condoms are also commonly known as "prophylactics", or "rubbers". In Britain they may be called "French letters". Additionally, condoms may be referred to using