The Kurgan hypothesis trace its origins to a Pit-Grave culture called Yamna, while Colin Renfew argues that it stems from the Linear Pottery culture. 
The Kurgan hypothesis trace its origins to a Pit-Grave culture called Yamna, while Colin Renfew argues that it stems from the Linear Pottery culture. Because of differences in how velar sounds are formed, it is commonly divided into Satem and Centum groups with an isogloss between Turkey and Armenia. Some linguists have tried to narrow down its origins using the fact that a cognate for "bees" and honey appear in every language in it.  Building on Marcus von Boxhorn's classification of it, William Jones first argued that Greek and Latin have a common origin with Sanskrit. FTP, identify this group of languages whose origins were the subject of a memoir by Saussure, a family which includes both English and Hindi.
The Kurgan hypothesis trace its origins to a Pit-Grave culture called Yamna, while Colin Renfew argues that it stems from the Linear Pottery culture.
Indo-European family of languages