Jastrow: סְגוּלָּה

סְגוּלָּה f. (b. h. סְגֻלָּה; סָגַל) safe investment, heirloom, family relic, treasure. Mekh. Yithro, Baḥod., s. 2 (ref. to סגלה, Ex. XIX, 5) מה סְגוּלָּתוֹ של אדם וכ׳ as the heirloom a man possesses is dear to him, so &c.; Pesik. R. s. 11, end. B. Bath. 52ᵃ קבל מן הקטן יעשה לו ס׳ if one receives a trust from a minor, he must invest it safely (since he cannot return it to him until he is of age). Ib. מאי ס׳ וכ׳ what is a s’gullah?… A scroll of the Law; … a date-tree. B. Kam. 87ᵇ; Tosef. ib. IX, 8, sq.; a. e.