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A. Richard Diebold Center for Indo-European Language and Culture

Indo-European Languages

Celtic Family

Carol Justus and Jonathan Slocum

Celtic languages include Scots Gaelic, Irish, Welsh, and Breton, but related languages were once spoken from Ireland to the shores of the Black Sea. Today, all that is left are languages spoken in the British Isles (Scots Gaelic, Irish, Welsh) and in Brittany (Breton).

The Celtic languages of the British Isles and Brittany are often classified as either "P" Celtic (e.g., Welsh) or "Q" Celtic (e.g., Irish) according to the evolution of the early Proto-Indo-European sound *kw. For example, Welsh pimp 'five' has the labial [p] where Irish coic 'five' has the palato-velar [k]. Both Welsh and Irish forms correspond to Latin quinque 'five', which has preserved the orginal Indo-European labiovelar [kw].

In fairly recent times Celtic inscriptions have been discovered on the continent of Europe from Spain through France (ancient Gaul) to northern Italy. These Continental Celtic inscriptions date to the second and third centuries BC, and are inscribed on stone and metal in a script that resembles very early Phoenician, Greek, and Etruscan letters.

The earliest attested Celtic in the British Isles was inscribed on stone in the ogham script. By the 6th century AD, in monasteries across Europe from Ireland and England (Lindesfarne) to as far as the monastery of St. Gallen in northern Switzerland, early Irish monks annotated Latin manuscripts with Old Irish glosses. Perhaps the most famous early Irish Christian monk was St. Patrick.

Recommended Reading

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