Si Collection, Lower Volume
Radical: Dog (quǎn)
Page 706, Entry 24
Pronounced bo. According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it refers to passing something by without taking it. The character is formed with Dog as the radical and the phonetic component being similar to the sound of bo.
Also pronounced pei. It refers to a dog passing by. Another interpretation describes it as the appearance of a dog becoming angry.
Some write it as a variant form. According to the Expanded Rhymes (Guangyun), it is defined as brushing past and taking. The pronunciation is the same, so this should be the correct character.
Also pronounced fei. Originally written as the character for barking. It refers to a dog barking. Some write it as a variant form.