paleo_ European language
Step-by-step explanation:
The Paleo-European languages, or Old European languages, are the mostly unknown languages that were spoken in Europe prior to the spread of the Indo-European and Uralic families caused by the Bronze Age invasion from the Eurasian steppe of pastoralists whose descendant languages dominate the continent today.[1]
The term Old European languages is also often used more narrowly to refer only to the unknown languages of the first Neolithic European farmers in Southern, Western and Central Europe and the Balkan Peninsula, who emigrated from Anatolia around 9000–6000 BC, excluding unknown languages of various European hunter gatherers who were eventually absorbed by farming populations by the late Neolithic Age.
A similar term, Pre-Indo-European, is used to refer to the disparate languages mostly displaced by speakers of Proto-Indo-European as they migrated out of the Urheimat. This term thus includes certain Paleo-European languages along with many others spoken in West Asia, Central Asia, and South Asia before the Proto-Indo-Europeans and their descendants arrived.