Zi Collection, Page Position: Lower
Radical: Mountain (shān)
Page 895, Entry 09
Collected Rimes (Jiyun) and Treasury of Rhymes (Yunhui): Pronounced ni (rising tone).
Explaining Graphs and Analyzing Characters (Shuowen): Yi-qiu is the name of a mountain. It refers to a hill that is shaped like an inverted crown and holds water. Formed by the radical for mountain and the phonetic component ni. It is said that because the crown is high and the center is concave, it is called an inverted crown. Citing the Yan clan praying at Yi-qiu for the birth of Confucius, whose head was shaped like Mount Yi-qiu—high on the four sides and concave in the center.
Also, Collected Rimes (Jiyun): Sometimes written as ni using the radical for mountain. Commonly written as ni. Correct Rhymes (Zhengyun): Yi and ni are both considered colloquial spellings. Under the ni rhyme category, they are excluded from the standard text.