Proto-Altaic: *ăjVrV 
Meaning: sour milk, melted fat 
Russian meaning: кислое молоко, топленый жир 
Turkic: *ajran 
Mongolian: *ajirag 
Tungus-Manchu: *ajara- 
Comments: Владимирцов 283. Despite Doerfer TMN 2, 180, Щербак 1997, 96, hardly borrowed in Mong. < Turk. A Western isogloss; but cf. perhaps Kor. ari- 'bitter', Middle Jpn. era- 'rank, offensive'.