Zi Collection, Page Position: Upper, Radical: Bamboo (zhú), Page 118, Entry 07 Pronounced chu (rising tone) - Guangyun (Guangyun); Pronounced wen (falling tone) - Jiyun (Jiyun); Pronounced zhang (falling tone) - Yunhui (Yunhui). The pronunciation is the same as "zhou". The rotting and death of the root of a bamboo is called "zhǔ".