Mongolian
adjective
°Of or relating to Mongolia or its peoples, languages, or cultures = Mongol.
°Anthropology. Resembling or having some of the characteristic physical features of the Mongoloid racial type = Mongoloid.
noun
°A group of Altaic languages from Mongolia, specifically Khalkha, the official language of Mongolia.
"1926 - Neville J. Whymant: A Mongolian Grammar"