"Only Na-Dene languages have a system of verb prefixes that very closely resemble the Yeniseic," he said.    From Wordnik.com.  [Archive 2008-03-01] Reference

"I systematically connect these structures in Yeniseic with the structures in modern Na-Dene," Vajda said.    From Wordnik.com.  [Archive 2008-03-01] Reference

Neither Sino-Tibetan nor Na-Dene have reconstructable tone since as I said, the tones in Navajo and Chinese came later.    From Wordnik.com.  [Mommy, where do tones come from?] Reference

For example, some words in the Na-Dene family likely represent sounds of the mother tongue more closely than their Yeniseic cognates.    From Wordnik.com.  [Archive 2008-03-01] Reference

His research links the Old World language family of Yeniseic in central Siberia with the Na-Dene family of languages in North America.    From Wordnik.com.  [Archive 2008-03-01] Reference

Their languages are concentrated to the west of the continent and they are considered a branch of the larger Na-Dene family consisting also of Haida and Tlingit.    From Wordnik.com.  [Mommy, where do tones come from?] Reference

Apparently the term "Athabaskan-Eyak-Tlingit" is used to avoid the controversial term "Na-Dene" which according to that hypothesis also links Haida to the family and this is controversial.    From Wordnik.com.  [Archive 2008-01-01] Reference

"Then we can breathe life into the ancestors of the Yeniseian and Na-Dene people," Potter said.    From Wordnik.com.  [The Seattle Times] Reference

Na-Dene is that effort spent documenting the world's disappearing languages now can have vital impact on the future.    From Wordnik.com.  [Spero News] Reference

Most theories suggest that the Saqqaq descended from travellers who migrated from the Americans, such as the Na-Dene Native Americans, or the Inuit.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

"The vast majority of Native peoples in western subarctic Canada and Alaska are Na-Dene and before Vajda's work, there was no definitive link with any other group in the Old World," he said.    From Wordnik.com.  [The Seattle Times] Reference

Until now, Greenland was believed to have been settled by populations that headed there after prolonged settlement in the New World, such as Na-Dene people of North America, or the Inuit of the Arctic.    From Wordnik.com.  [Zee News : India National] Reference

Importantly, the PC1 versus PC2 plot shows that the Saqqaq individual falls in the vicinity of three Old World Arctic populations-Nganasans, Koryaks and Chukchis, while being more distantly related to the New World groups (Amerinds, Na-Dene and Greenland Inuit).    From Wordnik.com.  [Naturejobs - All Jobs] Reference

Competing theories have attributed the origins to offshoots of the populations that gave rise to Native American populations such as the Na-Dene of North America, alternatively from the same source as the Inuit currently inhabiting the New World Arctic, or from still other sources entering the New World even later than both the Native American and Inuit ancestors (for summary see ref.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

Amerind, Na-Dene and Eskimo-Aleut.    From Wordnik.com.  [languagehat.com: MUSKOGEAN AND LAMB'S-QUARTERS.] Reference