Vasconic languages
Vasconic languages (from Late Latin vasconĭce, from which Basque is derived) is a putative family of languages that includes Basque and the extinct Aquitanian language. The extinct Iberian languages are also frequently included.
The concept of the Vasconic languages is often linked to the Vasconic substratum hypothesis of Theo Vennemann, who speculated that the ancestors of the Basque spread across Europe at the end of the last Ice Age when the Cro-Magnons entered Europe and left traces in the modern languages of Europe. Along with other hypotheses that seek to relate Basque to other languages of the world, this is widely rejected by historical linguists.
Proponents of a Vasconic language family argue that Basque and the extinct Aquitanian language are close relatives, or that the modern varieties of Basque are distinct languages rather than dialects. However, these notions contradict conventional views on these languages, in two areas.
(1) Theories regarding the relationship between Aquitainian and Basque, which suggest that either: