Centre for Lusophone and European Literatures and Cultures and to reflections on entrepreneurship, regarded as one of the drivers of innovation in Portuguese culture. In 2011, CLEPUL changed its name to Centre for Lusophone and European Literatures and Cultures of the Faculty of Letters of the University of Lisbon, while keeping its acronym, in order to preserve its history while embracing its new scientific landscape. In 2014, CLEPUL is home for 536 researchers and 110 integrated members, organized in 7 Research Groups: Each Research Group has its associated Pole in other universities, including in Brazil and Angola, gathering experts in Literary science, Linguistics, History, Art History, Cultural studies,
Indo-European languages proposed Proto-Indo-European language (PIE) is the hypothetical common ancestor of the Indo-European languages, spoken by the Proto-Indo-Europeans. From the 1960s, knowledge of Anatolian became certain enough to establish its relationship to PIE. Using the method of internal reconstruction an earlier stage, called Pre-Proto-Indo-European, has been proposed. PIE was an inflected language, in which the grammatical relationships between words were signaled through inflectional morphemes (usually endings). The roots of PIE are basic morphemes carrying a lexical meaning. By addition of suffixes, they form stems, and by addition of endings, these form grammatically inflected words (nouns or verbs). The hypothetical Indo-European verb