Mao Collection, Upper Volume
Radical: Heart (xīn)
Kangxi stroke count: 9
Page 380, Entry 16
Broad Rhymes (Guangyun), Collected Rhymes (Jiyun), Rhyme Meetings (Yunhui), and Orthodox Rhymes (Zhengyun) state it is pronounced pa. Collected Rhymes states it means to be afraid. Sometimes written in a variant form. From Two Birds Poem by Han Yu (Hanyu er niao shi): Even spirits and gods fear being mocked in verse. It is also a surname. There was a person named Pa Shan during the Tang Dynasty and a person named Pa Jian during the Song Dynasty.
Also, Broad Rhymes states it is pronounced bo. Collected Rhymes and Classified Chapters (Leipian) state it is pronounced bo. Explaining Graphs and Analyzing Characters (Shuowen) states it means to have no accomplishments.
Also, Collected Rhymes states it is pronounced bo, and Orthodox Rhymes states it is pronounced bo, which is interchangeable with the character meaning to moor or to drift. Collected Rhymes states it means to be indifferent and tranquil. From the Tao Te Ching (Daodejing) by Laozi: I am alone, indifferent and tranquil, without revealing any signs. Sometimes written in a variant form.