Zi Collection, Page Position: Upper, Radical: Tree (mù), Page 11, Entry 07 In the "Jiyun" and "Leipian," it is stated that the pronunciation is zhang-yi qie, with the same sound as "zhi." It refers to the fruit of the elm tree. It also has the same meaning as the character "zu." The "Shuowen Jiezi" explains it as pickled vegetables.