Catholicon is a Breton

Breton language

Breton is a Celtic language spoken in Brittany , France. Breton is a Brythonic language, descended from the Celtic British language brought from Great Britain to Armorica by migrating Britons during the Early Middle Ages. Like the other Brythonic languages, Welsh and Cornish, it is classified as...

-French

French language

French is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the regions of Quebec and Acadia in Canada, and by various communities elsewhere. Second-language speakers of French are distributed throughout many parts...

-Latin dictionary. It is the first Breton dictionary and also the first French dictionary. It contains six thousand entries and was compiled in 1464 by the Breton priest Jehan Lagadeuc and printed in 1499 in Tréguier

Tréguier

Tréguier is a port town in the Côtes-d'Armor department in Brittany in northwestern France. It is the capital of the province of Trégor.-Geography:Tréguier is located 36 m. N.W. of Saint-Brieuc by road. The port is situated about 5½ m...

. A manuscript of the dictionary is preserved in the national library

Bibliothèque nationale de France

The is the National Library of France, located in Paris. It is intended to be the repository of all that is published in France. The current president of the library is Bruno Racine.-History:...

in Paris identified as Latin 7656.