Zi Collection, Upper Volume, Page 13, Entry 01 Pronounced xiu (level tone) — Guangyun (Guangyun) and Jiyun (Jiyun) use the characters Xu and You to form the fanqie. Defined as a disease of dysentery — Yùpiān (Yupian). Pronounced jiu (level tone) — Jiyun (Jiyun) uses the characters Xu and Jiu to form the fanqie. Refers to a lacquer rash.