Chen Collection, Lower Volume
Radical: Weapon (shū)
Duan (Entry 22, Page 587)
Kangxi strokes: 16
Tang Dynasty Rhymes (Tangyun), Collected Rhymes (Jiyun): Pronounced duan (falling tone).
Explanation of Simple and Compound Characters (Shuowen): An egg that does not hatch.
Jade Chapters (Yupian): An egg that cannot hatch into a young bird is called duan.
Master of Huainan (Huainanzi), Original Way Instruction (Yuan Dao Xun): Animal fetuses do not wither, bird eggs do not fail to hatch.
Gao You Commentary: A fetus that cannot become an animal is called hui, an egg that cannot become a bird is called duan.
Master Yang (Yangzi), Model Sayings (Fayan): If a female bird lacks reproductive ability, its eggs will not hatch into chicks.
Zhang Hua, Classic of Birds (Qin Jing): The stork is a type of water bird. When incubating eggs, it enters the water repeatedly; the eggs become chilled and cannot hatch.
Collected Rhymes (Jiyun): Pronounced duo (falling tone). The meaning is the same. Sometimes written in a variant form. See also the notes for characters under the Radical: Bad (dǎi). The character for egg originally comprised the components for egg and bird.