כּוּתָּח, (Pers. kataḫ, v. Perl. Et. St. p. 85, note; Fl. to Levy Talm. Dict. II, p. 459ᵇ) a preserve consisting of sour milk, bread-crusts and salt. Pes. III, 1 כ׳ הבבלי the Babylonian k., described ib. 42ᵃ, v. אוּמָא a. נַסְיוּבֵי.