Catholicon (from Greek Καθολικόν 'universal') is a 15th-century dictionary written in Breton, French, and Latin.It contains six thousand entries and was compiled in 1464 by the Breton priest Jehan Lagadeuc [fr].A dictionary manuscript is preserved in the national library in Paris, identified as Latin 7656.You can help Wikipedia by expanding it.This article about the French language is a stub.You can help Wikipedia by expanding it.This article related to the Latin language is a stub.