Chou Collection, Middle Volume Radical: Earth (tǔ) Entry: wu Kangxi stroke count: 6 Page 223, Entry 14 Broad Rhymes (Guangyun): Pronounced wu. Collected Rhymes (Jiyun), Rhyme Meetings (Yunhui), and Orthodox Rhymes (Zhengyun): Pronounced wu. Same as the character for a plasterer's trowel (wu). A plastering trowel or the act of plastering walls. The plasterer shall plaster the residences and buildings according to the season — Zuo Commentary (Zuo Zhuan), 31st Year of Duke Xiang.