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
Caerleon Roman Fortress and Baths late 1970s, and a curator was appointed in 1980 when the site was opened to the public. The Roman Baths Museum lies inside what remains of the fortress of Isca Augusta close to the National Roman Legion Museum. The baths museum has a covered walkway over part of the remains of the military bath house. There was a frigidarium, tepidarium and caldarium, as well as an open-air swimming pool. The baths museum is administered by Cadw, as are the remains of Isca Augusta within a short walk of the baths museum: There were over 40,000 visitors to the Baths in