אַחֲרָיוּת, (v. אַחֲרָאִי) surety, esp. mortgaged property, or property which may be resorted to in case of non-payment (even if sold).—נכסים שיש להן א׳ property from which debts may eventually be collected (landed property), נ׳ שאין להם א׳ property which cannot be resorted to (movable property). Kidd. I, 5; a. fr.—B. Mets. III, 11 חייב באחריותן is responsible for them (if lost). Men. 109ᵃ; a. fr.—א׳ נכסים an obligation for which property is pledged. Keth. 34ᵇ; a. fr.—Ib. 51ᵇ, a. e. documents שאין בהן א׳ נ׳ in which the clause pledging property is omitted. Ib. 51ᵃ; a. e. א׳ טעות סופר הוא the omission of the clause pledging property is considered as the scribe’s mistake (hence has no legal consequences). B. Mets. 14ᵃ, a. e. ראובן שמכר … בא׳ if R. sold to S. a field with surety (guaranteeing the title).