Zi Collection, Page Position: Lower Radical: Seal (jié) Entry: 卼 Kangxi stroke count: 9 Page 159, Entry 29 Collected Rhymes (Jiyun), Rhyme Meetings (Yunhui), and Correct Rhymes (Zhengyun) state the pronunciation is wu. According to the Erya (Boya), it means dangerous. Book of Changes (Yijing), Hexagram of Oppression (Kun): The top nine line mentions being oppressed by creepers and vines, in a state of precariousness (nie wu). Rhyme Meetings (Yunhui) notes it is sometimes written in a variant form. The ancient text of the Book of Changes (Yijing) writes it as ni. Collected Rhymes (Jiyun) also notes it is sometimes written in a variant form. Rhyme Meetings (Yunhui) notes it is commonly written as wu. Book of Documents (Shangshu): The precariousness (wu nie) of the state. Correct Rhymes (Zhengyun) states that the character meaning high and level (wu) is also written as wu. Broad Rhymes (Guangyun) notes it is written in a variant form.