Centre for Lusophone and European Literatures and Cultures Vida Movement and its gatherings, and with the Portuguese section of Amnesty International, with its human rights research office. Centre for Lusophone and European Literatures and Cultures The Centre for Lusophone and European Literatures and Cultures of the Faculty of Letters, University of Lisbon (CLEPUL) is a research unit of the University of Lisbon based on the Faculty of Letters of the University of Lisbon. CLEPUL was founded by Jacinto do Prado Coelho after the Carnation Revolution, at the time with the designation of Centre for Portuguese Literatures of the Universities of Lisbon. Its main purpose is the promotion and
Proto-language system of isoglosses which held together dialects which were spoken by various tribes, from which the historically attested Indo-European languages emerged. Proto-language A proto-language, in the tree model of historical linguistics, is a language, usually hypothetical or reconstructed, and usually unattested, from which a number of attested known languages are believed to have descended by evolution, forming a language family. In the strict sense, a proto-language is the most recent common ancestor of a language family, immediately before the family started to diverge into the attested "daughter languages". It is therefore equivalent with the "ancestral language" or "parental language" of