Centre for Lusophone and European Literatures and Cultures in the academic environment, CLEPUL promotes the training of young researchers through seminars such as the Scipionic Circle – Young Researchers Academy, and the integration of young researchers in its projects and positions of responsibility. CLEPUL has generated dynamics and strategic partnerships with other civil society institutions, such as the International Society for Iberian-Slavonic Studies – CompaRes, the European Institute of Cultural Sciences Father Manuel Antunes, also promoting the creation of a research music band, gathering Lusophone poetry, Ai Deus i u é, and the Vieira Choir. Other institutional partnerships include the Portuguese Society of Authors, through the Letras Com
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