Dumnonii the origin of the interpretation of Dumnonii as "deep valley dwellers" from his understanding of the Welsh of his time. John Rhys later theorized that the tribal name was derived from the name of a goddess, "Domnu", probably meaning "the goddess of the deep". The proto-Celtic root *dubno- or *dumno- meaning "the deep" or "the earth" (or alternatively meaning "dark" or "gloomy") appears in personal names such as Dumnorix and Dubnovellaunus. Another group with a similar name but with no known links were the Fir Domnann of Connacht. The Roman name of the town of Exeter, "Isca Dumnoniorum" ("Isca of
Southern England have a distinct identity from the rest of England, however without universal agreement on what cultural, political, and economic characteristics of the South are. For statistical purposes, Southern England is divided into four regions: South West England, South East England, London, and the East of England. Combined, these have a total area of , and a population of 28 million. People often apply the terms "southern" and "south" loosely, without deeper consideration of the geographical identities of Southern England. This can cause confusion over the depth of affiliation between its areas. As in much of the rest of England, people