The story
Named after the Dumnonii, a British Celtic tribe who lived in the region at the time of the Roman invasion of Britain, according to Ptolemy's Geography.
Etymology from Wiktionary, CC BY-SA 4.0.
Dumnonia
Today it means: A Brythonic kingdom in Sub-Roman Britain between the late 4th and late 8th centuries, centred on what is now Devon. Full definition →