Chou Collection, Middle Volume
Radical: Earth (tǔ)
Entry: 圤
Kangxi stroke count: 5
Page 223, Entry 09
Collected Rhymes (Jiyun): Pronounced pu (rising tone). Meaning a clod of earth.
Huainan Masters (Huainanzi), Teachings on the Forest of Discourses (Shuolin xun): Earth overcomes water, not by a single clod of earth obstructing the river. Also written as a variant form (pu).
Also pronounced pu. Meaning is the same.