Proper noun
Dumnonia
(historical) A Brythonic kingdom in Sub-Roman Britain between the late 4th and late 8th centuries, centred on what is now Devon
In the sub-Roman period a Brythonic kingdom called Dumnonia emerged, covering the entire peninsula, although it is believed by some to have effectively been a collection of sub-kingdoms. Source: Internet
Pearce, Susan M. (1978), The Kingdom of Dumnonia: Studies in History and Tradition in South-Western Britain A.D. 350–1150 Padstow: Lodenek Press. Source: Internet
Other Romano-British sites in Dumnonia include: * Topsham, Devon - a settlement and harbour that served Isca Dumnoniorum to which it was connected by road and river. Source: Internet
Ten years later, a charter dated 19 August 825 indicates that Egbert was campaigning in Dumnonia again; this may have been related to a battle recorded in the Chronicle at Gafulford in 823, between the men of Devon and the Britons of Cornwall. Source: Internet
Dumnonia is below those kingdoms. Source: Internet
Pearce, Susan M. (1978) The Kingdom of Dumnonia. Source: Internet