אִידֵּךְ, a. fem. (= דֵּךְ, with אִי prosth.) this, that, freq. the other, another. Yeb. 62ᵃ; a. fr. תניא א׳ another (author or Boraitha) teaches. Ib. 22ᵇ בא׳ קרא in another verse. B. Mets. 98ᵇ וא׳ לא ידענא and as to the other (cow), I don’t know; a. fr.—Pl. אִידֵּי.—א׳ וא׳ these and those, i.e. both. Yeb. 8ᵃ; a. fr.