The Proto-Indo-European word *bʰelh₁-
Word *bʰelh₁-
Meaning white
See also Proto-Indo-European: *bʰel- ‘shine’
Synonyms *ar(e)-ĝ-, *h₄elbʰós, *h₂erĝ-, *k̂weitos, *h₂r̥ĝ(u)-

Comments
Mallory J.P. and Adams D. (2006)