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
History of Torquay town, where people would often meet. Given its size, the quality of its construction and the lack of development in this area of Torquay until the nineteenth century, it is possible these were the remains of a Roman road, as local historians J.T White and Percy Russell have suggested, although no further excavations have taken place due to the site being under Torbay Road. The existence of a Roman road leading out of Isca Dumnoniorum and towards Western Devon crossing the River Teign at Teignbridge some 14 miles north of Torquay also suggests this road could have been part of