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
Etymology of chemistry Etymology of chemistry In the history of science, the etymology of the word chemistry is debatable. It is agreed that the word derives from the word "alchemy", which is a European one, derived from "kimiya" () and alchemy "al-kīmiyāʾ" (). The Arabic term is derived from the Ancient Greek "khēmia" or "khēmeia". However, the ultimate origin of the root word, "chem", is uncertain. According to the "Oxford English Dictionary", "al-kīmiyāʾ" is derived from , which is derived from the ancient Egyptian name of Egypt ("khem" or "khm", "khame", or "khmi", meaning "blackness" Therefore, alchemy is the "Black Art". However, it