The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix II
Semitic Roots
ENTRY:
byn.
DEFINITION:
West Semitic, to be separate, clear, distinct; in derived stems, to discern, understand. maven, from Hebrew mbîn, one with understanding, expert, active participle of hbîn, to understand, derived stem of bîn, to discern, understand.