The book is devoted to the problems of formation and research of the first signs and semantics, as well as the mythology and culture of Turkic-Slavic-Byzantine world. The combination of lingual synergetics, cognitive science and comparative studies with a deep chronological analysis enabled the author to recreate a complete picture of spiritual world of the ancient Eurasian ethnic groups, based on the author’s conception. The book is intended for the teachers and students of higher educational institutions, as well as for those who are interested in the ancient culture origins of Eurasian peoples.