Noun
Cumbric (uncountable)
A Brythonic-Celtic language (code xcb) closely related to Welsh that was spoken in Northern England and Southern Scotland but went extinct in perhaps the 13th century.
In the early medieval Cumbric language it was known as Clud or Clut, and was central to the Kingdom of Strathclyde (Teyrnas Ystrad Clut). Source: Internet
There are also attempts to reconstruct the Cumbric language (a Brythonic language from North West England and South West Scotland ). Source: Internet
Welsh and the extinct Cumbric are the more distantly-related Brittonic languages. Source: Internet