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Kili (Kilen, Kirin, Kila), known as Hezhe or more specifically Qile'en (Chinese: 奇勒恩; pinyin: Qílè'ēn) in Chinese and also as the Kur-Urmi dialect of Nanai, is a moribund Tungusic language of Russia and China. Nanai is a Southern Tungusic language, and Kili has traditionally been considered one of the diverse dialects of Nanai, but it "likely belongs to the northern group".
References
Alexander Vovin, "Tungusic Languages", in the Encyclopedia of Language and Linguistics, 2006
Further reading
Zhang, P. . (2013). The Kilen language of Manchuria : grammar of a moribund Tungusic language. (Thesis). University of Hong Kong, Pokfulam, Hong Kong SAR. Retrieved from http://dx.doi.org/10.5353/th_b4985881