Celtic toponymy from Brythonic *"crüg" 'hill' (Irish "cruach") From tribal name "Dumnonii" or "Dumnones", from Celtic *"dumno-" 'deep', 'world' From Celtic *"dubr-" 'water', *"dubrās" 'waters' (Welsh "dwfr"; Breton "dour") First element is possibly "dun", ' hill fort' (Welsh ddin, 'fort'). First element from Celtic *"duro-" 'fort'; in "Dūrobrīvae", Celtic *"brīwa" 'bridge' Possibly derived from Brythonic *"iska", 'water, fish' and *"leith", 'damp, wet'. From Celtic *"iska" 'water' (Irish "uisce"); second element in "Isca Dumnoniorum" (Exeter) is a tribal name (see "Devon") From Brythonic *"lēd-" [from Celtic *"leito-"] + *"rïd-" [from Celtic *"(φ)ritu-"] = "Grey Ford" From Celtic *"lindo-" 'pool' + Latin "colonia" 'colony'
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