The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix II
Semitic Roots
ENTRY:
br.
DEFINITION:
Common Semitic noun *bir-, well, cistern. 1.Beersheba, from Hebrew br ebac, well of oath, from br, well (ebac, oath; see bc). 2.Beirut, from Arabic bayrt, from Phoenician *birt, plural of *bir, well.
r.
r 
ebac, well of oath, from b
t, from Phoenician *bi
t, plural of *bi
