Могольский:nira- 'placer', nere- 'remplir une vase'
Комментарии:KW 281. The word has coincided phonetically with niruɣu 'back, spine' - with which it originally has nothing in common. Cf. also MMong. (HY 16) niri'un 'house-top' (differing from niri-sun 'spine') and perhaps reflecting the archaic meaning.