Winchester more urban settlement type developed, known as an oppidum, although the archaeology of this phase remains obscure. It was overrun by the confederation of Gaulish tribes known as the Belgae sometime during the first century BCE. It seems to have been known as Wentā or Venta, derived from the Brittonic for "town" or "meeting place", or the word for "white" (Welsh "gwyn"), due to Winchester's situation upon chalk. After the Roman conquest of Britain, the settlement served as the capital () of the Belgae and was distinguished as Venta Belgarum, "Venta of the Belgae". Although in the early years of
Venta Silurum Venta Silurum Venta Silurum was a town in the Roman province of "Britannia" or Britain. Today it consists of remains in the village of Caerwent in Monmouthshire, south east Wales. Much of it has been archaeologically excavated and is on display to the public. Venta was established by the Romans in AD 75 as an administrative centre for the defeated Silures tribe in Roman Wales. Venta Silurum seems to mean "Market town of the Silures" (cf. Venta Belgarum and Venta Icenorum). This is confirmed by inscriptions on the "Civitas Silurum" stone, now on display in the parish church. The town,