בַּל, , v. Ges. H. Dict. s. v.) not, frequ. used, in connection with a verb, in the sense of a prohibitive law. Erub. 100ᵃ עובר על בל תגרע he transgresses the law which says ‘thou shalt not diminish therefrom’ (Deut. XIII, 1). Pes. III, 3 שמוזהרים עליו בבל יראה וכ׳ concerning which we are cautioned by the law prohibiting leavened things to be seen or to be found (Ex. XIII, 7; XII, 19); a. v. fr. [Our w. is also applied to Bible texts in which לֹא appears.]