The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix II
Semitic Roots
ENTRY:
brr.
DEFINITION:
To be(come) clear, pure, white. 1.barrio, from Arabic barr, open (of land), rural, from barr, open area, akin to barra, to be kind, true, in derived stem barrara, to clear, acquit. 2.birr2, from Amharic brr, coin, silver (< white metal).