noun
Altaic languages
Refers to the proposed language family that includes Turkic, Mongolic, and Tungusic languages, and sometimes Korean and Japanese. The Altaic hypothesis is controversial among linguists.
アルタイ諸語に含まれる言語は、学者によって意見が分かれる。
Opinions differ among scholars as to which languages are included in the Altaic languages.
From アルタイ (Altai, referring to the Altai Mountains region) + 諸語 (shogo, 'various languages'). The term was coined in the 19th century to group languages thought to share a common origin.