Wei Collection, Upper Volume Radical: Bamboo (zhú) Ga Kangxi strokes: 11 Page 880, Entry 03 Broad Rimes (Guangyun) states the pronunciation is na (falling tone). Collected Rimes (Jiyun) states the pronunciation is na (falling tone), sounding like na (falling tone). A bamboo rope used to tie boats. Also, in Collected Rimes (Jiyun), Rhyme Anthology (Yunhui), and Correct Rimes (Zhengyun), the pronunciation is ni (falling tone). The meaning is the same. Another opinion is that it refers to repairing fences. In Collected Rimes (Jiyun), it is sometimes written in a variant form (da).