The origin of the Indo-European language family has been the “Holy ... Jones speculated that the birthplace of Proto-Indo-European was probably in what is now Iran, with speakers migrating ...

But Lazaridis noted that researchers have repeatedly been challenged by the broad spread of the ... depending on the language — 1,000 to 1,500 words in Proto-Indo-European.

Journalist and novelist Spinney (Pale Rider) explains how a single language family spread across the world ... approach yet to the topic. The Proto-Indo-European language emerged 6,000 years ...

These language families, including Germanic, Indo-Iranian and Celtic, evolved from a common tongue called the Proto-Indo-European ... chief vector for the spread of Indo-European languages.

Originating from the Proto-Indo-European (PIE) language, historians and linguists since the 19th century have been investigating its origins and spread as there is still a knowledge gap.