Zi Collection, Upper Volume, Page 12, Entry 05 Radical: Grass (cǎo) Pronounced duo (falling tone) - from Guangyun (Guangyun), pronounced dīng duo (falling tone) - from Jiyun (Jiyun), same pronunciation as "diao" (diao). Explained in Boya (Boya) as short. Explained in Yupian (Yupian) as having a short tail, referring to a dog.