Toponymy of England the specific names for each may only have little relation to the Roman names (e.g. modern Chester was actually called Deva by the Romans). Modern Winchester was "Venta Belgarum", the "Win-" element deriving from "Venta" in a similar way to the names "Caerwent" and "Gwent" from "Venta Silurum" in south Wales. In Cornwall, most placenames are Cornish in origin: e.g. "Penzance" (holy headland). In eastern Cornwall, the names show a stronger English influence. Placenames of Cornish origin are also found in the South Hams, North Devon and West Somerset. Brythonic but non-Cornish placenames, sometimes showing Cornish or Welsh influence, are
Venta Silurum Roman temple, perhaps dedicated to Mars and the Celtic god Ocelus, have been identified on the site. A bowl with a chi-rho symbol shows that the worship of early Christian worship had begun in the late 3rd century. Following the withdrawal of the Roman legions from Britain, the town remained occupied until at least the mid-5th century. Early Christian worship was still established. The town might have had a bishop. A monastery was founded by Saint Tatheus in the 6th century. The site of the present church occupies part of an early Christian cemetery. The name "Venta" gave its name