Celtic languages

Celtic languages are the languages descended from Proto-Celtic, both those spoken by the ancient Celts, and those used by their modern descendants, the Irish, Manx, Scots, Welsh, Cornish and Bretons. The Celtic languages are classified as a branch of the greater Indo-European language family. They were spoken across western Europe during the 1st millennium BC, but are now limited to a few enclaves in the British Isles, western Canada, Patagonia, scattered groups in the United States and Australia, and on the peninsula of Brittany in France.

References

Gray, R. and Atkinson, Q.D. 2003. Language-tree divergence times support the Anatolian theory of Indo-European origin. Nature. 426:435-439.

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