Si Collection, Upper Volume Radical: Water (shuǐ) Zha Kangxi strokes: 13 Page 634, Entry 03 Broad Rimes (Guangyun): Pronounced zha. Collected Rimes (Jiyun): Pronounced zha. The name of a river. Originates in Yiyang. Same as the character Zha (zha). Also in Collected Rimes (Jiyun): Pronounced zha. Same meaning. Commonly used as the character for dregs or residue.