Xenoglossy

Xenoglossy pronounced /ˈzinəglɒsi/ (from Greek ξενογλωσσία - xenoglossia, from ξένος - xenos, "foreign" + γλώσσα - glossa, "tongue, language") is the putative paranormal phenomenon in which a person is able to speak a language that he or she could not have acquired by natural means. For example, a person who speaks German fluently and like a native, but has never studied German, been to a German-speaking country, or associated with German-speakers, would be said to exhibit xenoglossy.