Pre-Indo-European languages

The pre-Indo-European languages are any of several ancient languages, not necessarily related to one another, that existed in Prehistoric Europe, Asia Minor, Ancient Iran, and Southern Asia before the arrival of speakers of Indo-European languages. The oldest Indo-European language texts are Hittite and date from the 19th century BC in Kültepe (modern eastern Turkey), and while estimates vary widely, the spoken Indo-European languages are believed to have developed at the latest by the 3rd millennium BC (see Proto-Indo-European Urheimat hypotheses).

Source: Wikipedia — Pre-Indo-European languages (CC BY-SA 4.0)