From Hebrew בַּעַל זְבוּב (Ba'al Zevuv)
meaning "lord of flies", intended as a mocking alteration of בּאל זבל (Ba'al Zevul)
"Ba'al the exalted", one of the Canaanite names for their god BA'AL
. In Milton's 'Paradise Lost' (1667) this was the name of Satan's chief lieutenant.