Proto-Yenisseian: *ʔuraj (~-ŕ-,-r1-)
Meaning: callosity
Ket: uĺej6, pl. -ǝŋ5
Yug: uraj6, pl. -ǝŋ5
Comments: ССЕ 201. Werner 2, 334 regards the word as *xur1 + *ʔāχ- 'water sack', which is theoretically not excluded - but most probably just another folk etymology, based on the resemblance with uĺ 'water'.