Linguistics & Anthropology What is the Kurgan hypothesis, and how does it relate to horses and Indo-European languages? February 9, 2026 by Riding The Kurgan hypothesis is a widely discussed theory regarding the origins and spread of the Indo-European languages. It suggests that the Proto-Indo-European speakers were originally located in the Pontic-Caspian steppe, a region in modern-day Ukraine and southern Russia, and spread their language through migrations and conquests. This theory is intricately linked to the domestication of […] Read more »