Harvard researchers traced the origins of the vast Indo-European language family to the Caucasus-Lower ... noting that the word “Aryan” comes from an Indo-European word.

Before this branch, and some 5,000 years into human history, there's Indo-European -- a major proto-language ... tree. In two recent papers, they examine the ~5,000-year-old Indo-European family ...

An eight thousand year old language family Regarding the question of the origin of Indo-European languages, calculations based on the new data show that they were first spoken approximately 8,000 ...

in or near the northern arc of the Fertile Crescent—as the earliest source of the Indo-European family,” Paul Heggarty, another author of the study, said. “Our language family tree topology ...

in or near the northern arc of the Fertile Crescent — as the earliest source of the Indo-European family. Our language family tree topology, and our lineage split dates, point to other early branches ...