Based upon toponymic and lexical evidence, it is generally assumed that one or several languages were once spoken in both the Greek peninsula and western Asia Minor before Mycenaean Greek and the attested Anatolian languages (Hittite and Luwian) became predominant in the region.
Linguistic analysis suggests that prior to the rise of Mycenaean Greek and the emergence of Anatolian languages like Hittite and Luwian, one or more languages were spoken across both the Greek peninsula and western Asia Minor.