*אֲסִיפָּא, (= סִיפָּא) threshold. B. Kam. 104ᵇ he consummated the transfer of the money (which he authorized him to collect) אגב א׳ דביתיה (Sh’ilt. Ms. סיפא, v. Rashi a. l., v. Rabb. D. S. a. l. note 60) by transferring along with it the threshold of his house (as immovable property); v. אַגַּב. [Oth. vers. סֵיפָא, end, extreme wing of the house, v. Rashi a. l.]