סִירְחָא II, (סְרַח III) stench, decay. Succ. 26ᵃ משום ס׳ דגרגישתא on account of the bad odor of the clay (on the floor of the Succah). B. Kam. 82ᵇ (Rashi סֵירָחוֹן), v. next w.