Taken as an Arabism in Nab. (see DNWSI), given the usage in JBAmag. and Mand. almost certainly rather equivalent to Neo_Babylonian rab bābi, i.e. to be understood as chief of the town quarter (see CAD B p. 26. For a rather misled if not simply ridiculous interpretation of the usage in the Babylonian magic texts see JBAB p. 205f., however the extensive discussion of unpublished parallels there is most important.