Chukotko-Kamchatkan–Amuric Languages on:
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The Chukotko-Kamchatkan–Amuric languages form a hypothetical language family including 
'near the edge of'' and Nivkh ''ərŋ'' 'mout of a river' and CK ''ær'' 'flow out'.
Nivkh
Nivkh or Amuric or Gilyak may refer to:
* Nivkh people
The Nivkh, or Gilyak (also Nivkhs or Nivkhi, or Gilyaks; ethnonym: Нивхгу, ''Nʼivxgu'' (Amur) or Ниғвңгун, ''Nʼiɣvŋgun'' (E. Sakhalin) "the people"), are an indigenous et ...
and Chukotko-Kamchatkan
The Chukotko-Kamchatkan or Chukchi–Kamchatkan languages are a language family of extreme northeastern Siberia. Its speakers traditionally were indigenous hunter-gatherers and reindeer-herders. Chukotko-Kamchatkan is endangered. The Kamchatkan ...
. A relationship between Chukotko-Kamchatkan and Nivkh was proposed by Michael Fortescue
Michael David Fortescue (born 8 August 1946) is a British-born linguistics, linguist specializing in Arctic and native North American languages, including Greenlandic language, Kalaallisut, Inuktun, Chukchi language, Chukchi and Nitinaht languag ...
. He theorized that their common ancestor might have been spoken around 4000 years ago. However Glottolog
''Glottolog'' is a bibliographic database of the world's lesser-known languages, developed and maintained first at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany (between 2015 and 2020 at the Max Planck Institute for ...
says that the evidence is insufficient to conclude a genealogical relationship between Nivkh and Chukotko-Kamchatkan.
Evidence
Phonological
Proposed sound correspondences Some cognates which include a sound change of Nivkh /ə/ and CK /æ/ are: ''t’əkə'' ‘edge of sleeping platform’ and CK tæγənLexical
Proposed Nivkh-Chukotko-Kamchatkan cognatesMorphological
Chukotko-Kamchatkan and Nivkh have dual/plural distinction, however it has been lost in Chukchi. Chukotko-Kamchatkan also has a "singulative" ending, and traces of a singulative ending in Nivkh might be seen.See also
*Algonquian–Wakashan languages
Algonquian–Wakashan (also Almosan, Algonkian–Mosan, Algonkin–Wakashan) is a hypothetical language family composed of several established language families that was proposed in 1929. The proposal consists of the following:
I. Algic language ...
* Paleosiberian languages
Paleosiberian (or Paleo-Siberian) languages or Paleoasian (Paleo-Asiatic) (from , "ancient") are several linguistic isolates and small families of languages spoken in parts of northeastern Siberia and the Russian Far East. They are not known ...
* Uralo-Siberian languages
Uralo-Siberian is a hypothetical language family consisting of Uralic, Yukaghir, Eskaleut, possibly Nivkh, and formerly Chukotko-Kamchatkan. It was proposed in 1998 by Michael Fortescue, an expert in Eskaleut and Chukotko-Kamchatkan, in his book ...
References