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  • Heggarty, Paul, et al. (author)
  • Language trees with sampled ancestors support a hybrid model for the origin of Indo-European languages
  • 2023
  • In: Science. - 0036-8075 .- 1095-9203. ; 381:6656
  • Journal article (peer-reviewed)abstract
    • Languages of the Indo-European family are spoken by almost half of the world’s population, but their origins and patterns of spread are disputed. Heggarty et al. present a database of 109 modern and 52 time-calibrated historical Indo-European languages, which they analyzed with models of Bayesian phylogenetic inference. Their results suggest an emergence of Indo-European languages around 8000 years before present. This is a deeper root date than previously thought, and it fits with an initial origin south of the Caucasus followed by a branch northward into the Steppe region. These findings lead to a “hybrid hypothesis” that reconciles current linguistic and ancient DNA evidence from both the eastern Fertile Crescent (as a primary source) and the steppe (as a secondary homeland).
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