 These words (both of which are pronounced ) are descended from the Brythonic word "combrogi", meaning "fellow-countrymen", and probably came into use before the 7th century.In literature, they could be spelt or , regardless of whether it referred to the people or their homeland.The Latinised forms of these names, "Cambrian", "Cambric" and "Cambria", survive as names such as the Cambrian Mountains and the Cambrian geological period.