Zi Collection, Upper Volume, Page 1, Entry 01 Pronounced pan (level tone). Also, in the "Collected Rhymes" (Jiyun), it is pronounced using the fan yuan qie method, with a pronunciation similar to "fan" (level tone), and the meaning is the same. The "Jade Compendium" (Yupian) records: 㽃瓳, which is a type of large brick.