The Exciting Origins of the Indo-European Language Family

By Guest Post • 6 minutes read

indo-european map of languages

How the Proto-Indo-European Language Spread

Over 2.6 billion of the world’s population speak a language belonging to the Indo-European language family. Millions of people learned the language over centuries of European expansionism. But this only tells half of the story. Even before colonialism, Indo-European languages spread far and wide. In fact, almost all of the people of Europe, the Near East (including Armenia and Iran), and northern India spoke languages that sounded similar.

Why and how’s that possible?

This is post explores the origins of the Indo-European language family and answers how that came to be. 

indo european language family

The Discovery of a Common Language Ancestor

European, Near East, and Indian languages all have similar origins. However, most people would agree that they sound very different from one another. Still, linguists have noticed similarities in their structures and have puzzled over them for centuries. In fact, they are so similar that most people who study languages believe they must have come from a common ancestral tongue. 

One of the first people to notice these similarities was William Jones. He was a judge serving in British India during the late eighteenth century. Jones was an educated man and had also studied Greek and Latin in school.

On arriving in India he took the time to study and translate the language of the ancient religious texts of India, Sanskrit. As a result, he made the following observation:

“The Sanskrit language, whatever may be its antiquity, is of a wonderful structure; more perfect than the Greek, more copious than the Latin, and more exquisitely refined than either, yet bearing to both of them a stronger affinity, both in the roots of verbs and in the forms of grammar, than could possibly have been produced by accident; so strong indeed that no philologer could examine them all three, without believing them to have sprung from some common source,” – Thomas Burrow.

For the next 200 years, no more progress would be made outside of gathering more clues and comparative data on the linking of languages around the north-western Eurasian continent.

Then, in 1987, Colin Renfew published a compelling theory…

Did the Indo-European Language Family Originate from Anatolia?

In his book,Archaeology and Language: The Puzzle of the Indo-European Languages, Renfew attempts to explain a single origin point for all Indo-European languages. He argues that it was the ancient people of Anatolia (Turkey) who spread their mother tongue over the continent approximately 8,000 years ago.

To some degree, this makes sense. The ancient Anatolians had developed complex farming methods that not only gave way to a massive population boom but drove the colonization of the new land using incentives like wealth. This fits with the anthropological argument that a language can only replace a pre-existing one if a large settler-immigration occurs there. 

Renfrew’s argument won over most scholars. And it would hold sway for about another two decades until new evidence tilted the balance towards a new explanation. 

Indo-European Wagon Migrations

In 2010, the anthropologist David Anthony published his book, calledThe Horse, the Wheel, and Language. He argued that almost all of today’s Indo-European languages have a shared vocabulary for wagons. He discovered similarities in all kinds of words relating specifically to wagons. Including ‘axle’, ‘harness’ and ‘wheel’. And he believed that indicated that the first true Indo-European language must have originated in a civilization that used wagons. 

The earliest archaeological evidence for wagon technology dates back only 6,000 years. That means the origin and spread of the Indo-European languages must have occurred much more recently than Renfrew suggests. In addition, ancient inscriptions recovered from modern-day Turkey reveal a language spoken that does not refer to wagon technology at all. 

Language Migration and Assimilation 

Anthony’s argument was already strong enough to lead linguists to prefer his views over Renfrew’s. However, evidence increased from the “wagon theory” in the second decade of the twenty-first century. This time from an unlikely source—the new and emerging field of ancient DNA studies. 

DNA extracts from burial sites all over Europe and the Middle East reveal striking genetic similarities. This is strong evidence of large, recent waves of human migration into both regions. To the best knowledge available, the source of this expansionism didn’t come from Turkey. Instead, it came from the vast grasslands to the north of the Caspian and Black seas

This photograph (see below) of the grasslands of Kazakhstan, with the shores of the Caspian in the background, may represent the actual place where people developed the first Indo-European language. 

grasslands of kazakhstan

Yamnaya’s Impact on Indo-European Languages

Given the archaeological evidence, the most obvious candidate for the mother tongue of all the Indo-European languages rests with the Yamnaya people. Early settlers left a trail of cultural artifacts in their wake as they migrated all over Europe. And the cultural legacies of the Yamnaya only serve to further strengthen that claim. 

The word “Yamnaya” itself is a direct translation of a word meaning “Pit Grave Culture”. The Yamnaya buried their dead in single pit graves. (A practice that is still typical today.) It’s important to note that the Yamnaya also had wagon technology and came from the grasslands near the Caspian and Black seas

Evidence of Yamnaya pottery is also widespread throughout much of Eurasia, specifically, “Corded Ware” pottery. The Corded Ware people are thought to be the descendants of the Yamnaya. Their name comes the “cord-like” pottery they created. And like the culture of single pit graves and wagon technology, this type of pottery is wide-spread. Overall, these signs point to large waves of settler migrations across the continent. 

The Genome of the Indo-European Language Family

It does not seem immediately obvious on how ancient DNA studies can work towards finding the true origins of language. After all, examining DNA cannot tell us much about how people spoke or what language they used. But ancient DNA plays a vital role in helping linguists and scientists pinpoint which populations migrated where and when. And that gets us closer to finding the origins of the Indo-European languages.

Writing in 2018, the Harvard University geneticist David Reich put the most contemporary theory together in his book,Who We Are And How We Got Here“. According to him, the most recent DNA evidence points to a single origin of the Indo-European languages south of the Caucuses, and probably in Iran or Armenia.

The debate continues…

There are plenty of unanswered questions and a lot of mystery around Indo-European language origins. But thanks to collaborations between the disciplines of linguistics, genetics, and archaeology, we may at long last be closing in on them. And as our searches uncover more information, we get closer and closer every day to figuring out the true history of this dynamic, ancient language.

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