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
Proto-Indo-European language Proto-Indo-European language Proto-Indo-European (PIE) is the linguistic reconstruction of the common ancestor of the Indo-European languages, the most widely spoken language family in the world. Far more work has gone into reconstructing PIE than any other proto-language, and it is by far the best understood of all proto-languages of its age. The vast majority of linguistic work during the 19th century was devoted to the reconstruction of PIE or its daughter proto-languages (such as Proto-Germanic), and most of the modern techniques of linguistic reconstruction (such as the comparative method) were developed as a result. These methods supply all current knowledge