PTBer 6.c:19[2] :אמ׳ ר׳ זעורא כל סבר קשי דהוה לי תמן סבירתיה‏ : R. PN said, 'Every difficult reasoning I had I reasoned through there (i.e. at toilet)'
See the entire entry for sbr vb. to expect; to reason

PTBer 6.c:19[2] :אמ׳ ר׳ זעורא כל סבר קשי דהוה לי תמן סבירתיה‏ : R. PN said, 'Every difficult reasoning I had I reasoned through there (i.e. at toilet)'
See the entire entry for sḇar, seḇrā n.m. opinion