| This superfamily, called Dene-Caucasian, was probably used throughout Eurasia before either Nostratic, or Eurasiatic, spread. |
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| Polish belongs to the west Slavic group of languages of the Indo-European language family, which in turn is part of the Nostratic macrofamily. |
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| The Nostratic theory remains highly controversial, in part because much of it was published posthumously, with many problems still unresolved. |
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| Nostratic hypothesis, proposed, but still controversial, language family of northern Eurasia. |
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| The Nostratic theory is among the most promising of the many currently controversial theories of linguistic classification. |
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