The article analyses Eastern Anatolian and Phrygian written sources indicating the presence of Phrygian ethnic groups to the east of historical Phrygia at the beginning of the 1st mill. B.C., which resulted in the spread of common cultural phenomena and vocabulary. The Late Hittite states of Northern Syria and the Upper Euphrates probably served as a transmission link between Central Anatolia and the Eastern Mediterranean world, and that would account for the borrowing of certain Semitic terms together with the related institutions in early Phrygia.