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Na-Dené or Na-Dene is a Native American language family which includes the Athabascan languages, Eyak, and Tlingit. Tlingit language: 700 speakers (M. Krauss, 1995)
According to Joseph H. Greenberg's highly controversial classification of the languages of Native North America, Na-Dené-Athabascan is one of the three main groups of Native languages spoken in the Americas, and represents a distinct wave of migration from Asia to the Americas. The other two are Eskimo-Aleut, spoken in Alaska and the Canadian Arctic; and Amerind, Greenberg's most controversial classification, which includes every language native to the Americas that is not Eskimo-Aleut or Na-Dené.