Isca Dumnoniorum but seems to have gone into decline prior to the Roman withdrawal from Britain . The name "Isca Dumnoniorum" is a Latinization of a native Brittonic name describing flowing water, in reference to the River Exe. More exactly, the name seems to have originally meant "full of fish" (cf. Welsh "pysg", "fish"), although it came to be a simple synonym for water (cf. Scottish whiskey). This is also reflected in the modern Welsh name for Exeter: "Caerwysg" meaning "fortified settlement on the river Uisc". The same name was used for the River Usk (modern ) in southern Wales, causing the
King Street (Roman road) King Street (Roman road) King Street is the name of a modern road on the line of a Roman road. It runs on a straight course in eastern England, between the City of Peterborough and South Kesteven in Lincolnshire. This English name has long been applied to the part which is still in use and which lies between Ailsworth Heath, in the south and Kate's Bridge, in the north. The old road continued to Bourne thence north-westwards to join Ermine Street south of Ancaster. This part of Ermine Street is called High Dike. In the south, King Street joined Ermine