The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix II
Semitic Roots
ENTRY:
bhw.
DEFINITION:
Central Semitic, to be(come) empty, deserted. a.Bahaullah, from Arabic bahu llh, splendor of God, bahu, splendor, bound form of bah, from bah, to be(come) empty, beautiful; b. Bahai, from Arabic bah, follower of Bahaullah, from bahu llh (see above).