The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Common Semitic noun *bacl-, lord. 1a.Baal, from Hebrew bacal, lord, Baal; b.Beelzebub, from Hebrew bacal zbûb, lord (of the) fly, pejorative alteration of bacal zbûl, lord prince (name of a Philistine god; see bb and zbl). 2a. Hannibal, from Phoenician (Punic) *ann-bacl, my grace (is) Baal (see nn); b.Hasdrubal, from Phoenician (Punic) *cazr-bacl, his help (is) Baal (see cr). Both a and b from Phoenician (Punic) *bacl, lord, Baal. 3.Belshazzar, from Hebrew blaar, from Akkadian bl-ar-uur, Bel, protect the king, from bl, absolute form of blu, lord, Bel (Akkadian god; ar, king, and uur, protect; see rr and nr).