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The Dravidian language family, consisting of 80 varieties spoken by nearly 220 million people across southern and central India, originated about 4,500 years ago, a study has found.
This estimate is based on new linguistic analyses by an international team, including researchers from the Max Planck Institute for the Science of Human History in Germany, and the Wildlife Institute of India in Dehradun.
New linguistic analysis finds that Dravidian language family is approximately 4,500 years old - out today in @royalsociety Open Science with researchers from @MPI_SHH!— MPI-SHH Jena (@MPI_SHH) March 21, 2018
Varieties of Dravidian are spoken by 220 million people today -- read more at the link!https://t.co/qTjPcytObQ pic.twitter.com/bQ6JA0HZAZ
The researchers used data collected first-hand from native speakers representing all previously reported Dravidian subgroups. The findings, published in the journal Royal Society Open Science, match with earlier linguistic and archaeological studies.
South Asia, reaching from Afghanistan in the west and Bangladesh in the east, is home to at least six hundred languages belonging to six large language families, including Dravidian, Indo-European and Sino-Tibetan.
The Dravidian language family, consisting of about 80 language varieties (both languages and dialects) is today spoken by about 220 million people, mostly in southern and central India, and surrounding countries.
The Dravidian language family’s four largest languages — Kannada, Malayalam, Tamil and Telugu — have literary traditions spanning centuries, of which Tamil reaches back the furthest, researchers said.
Along with Sanskrit, Tamil is one of the world’s classical languages, but unlike Sanskrit, there is continuity between its classical and modern forms documented in inscriptions, poems, and secular and religious texts and songs, they said.
“The study of the Dravidian languages is crucial for understanding prehistory in Eurasia, as they played a significant role in influencing other language groups,” said Annemarie Verkerk of the Max Planck Institute for the Science of Human History.
Neither the geographical origin of the Dravidian language nor its exact dispersal through time is known with certainty.
The consensus of the research community is that the Dravidians are natives of the Indian subcontinent and were present prior to the arrival of the Indo-Aryans (Indo-European speakers) in India around 3,500 years ago.
Researchers said that it is likely that the Dravidian languages were much more widespread to the west in the past than they are today.
In order to examine questions about when and where the Dravidian languages developed, they made a detailed investigation of the historical relationships of 20 Dravidian varieties.
Study author Vishnupriya Kolipakam of the Wildlife Institute of India collected contemporary first-hand data from native speakers of a diverse sample of Dravidian languages, representing all the previously reported subgroups of Dravidian.
The researchers used advanced statistical methods to infer the age and sub-grouping of the Dravidian language family at about 4,000-4,500 years old.
This estimate, while in line with suggestions from previous linguistic studies, is a more robust result because it was found consistently in the majority of the different statistical models of evolution tested in this study.
This age also matches well with inferences from archaeology, which have previously placed the diversification of Dravidian into North, Central, and South branches at exactly this age, coinciding with the beginnings of cultural developments evident in the archaeological record.