Lusophone countries continue to exhibit both cultural and political affinities, expressed in the existence of the Community of Portuguese Language Countries (CPLP), created in 1996. The term "Lusophone" is a classical compound, whereby the combining form "Luso-" derives from the Latin term for an area roughly corresponding to modern Portugal, called Lusitania. The suffix "-phone" derives from the Ancient Greek word φωνή ("phōnē"), meaning "voice". The use of the term Lusophone mirrors similar terms, such as Anglophone for English-speakers, Francophone for French-speakers, Hispanophone for Spanish-speakers, and Russophone for Russian-speakers. The term is sometimes used in reference to the Community of Portuguese
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