The Proto-Turkic word *bạl-
Word *bạl-
Meaning mud, clay
See also Proto-Altaic: *biălu ‘dirt, mud’

Other words that might be of interest
*eg- ‘to bend’, *kak- ‘to hit, knock, tear’, *sɨ̅- ‘to break, damage, harm, to be broken’, *üŕ- ‘to break, tear, demolish’, *bɨč / bič ‘to cut’, *jār- ‘to split, split, crack’, *jī́r- / jɨ̅r- ‘to split lengthwise, to break, tear’, *kes- ‘to cut’, *kɨr- ‘to break, scrape, shave’, *sök- ‘to split, tear apart’, *īĺč ‘work, deed’, *kɨl- ‘to do, make’, *jalaŋ ‘field, steppe’, *jẹr ‘earth, land’, *topra-k ‘earth, soil’, *sok- ‘to hit, beat, crush’, *tokɨ- ‘to hit, knock, strike, mallet’, *dāg ‘mountain’, *orman ‘forest’, *jüg- ‘upwards, to rise, hill, high’, *kır- ‘to break, to split’, *gēp ‘form, example, image’, *kök ‘hinge, nail’, *kaŋïr ‘to bend’, *alan ‘level ground, plain’, *buruk- ‘dust, soot’