The Proto-Altaic word *bŏru
Word *bŏru
Meaning dust, smoke, whirlwind
See also Proto-Turkic: *buruk- ‘dust, soot’
Proto-Tungus: *bure-ki ‘dust’

Other words that might be of interest
*pʰāla ‘field, level ground’, *tīdu ‘elevated ground, hill, mountain’, *biălu ‘dirt, mud’