TAD A4.4R.6 :הא שמהת גבריא זי אשתכחו בבבא בנא ואתחדו‏ : here are the names of the men who were found and seized at the gate in GN
See the entire entry for bāḇ, bāḇā n.m.(f.) gateway; opening; section

TAD A4.4R.6 :שמהת גבריא זי אשתכחו בבבא בנא‏ :
See the entire entry for škḥ vb. to find; to be capable