Yin Collection, Middle Volume
Radical: Mountain (shān)
Yin (yín)
Kangxi strokes: 11
Page 314, Entry 28
Broad Rhymes (Guangyun): Pronounced yin.
Collected Rhymes (Jiyun), Rhyme Compendium (Yunhui), Correct Rhymes (Zhengyun): Pronounced yin.
According to the Explaining Graphs and Analyzing Characters (Shuowen), it refers to the peak of a mountain. Everything that is high and perilous on earth is called yin.
In a poem by Du Fu (Shang hou yuan shan jiao shi): Pulling vines to climb the steep and perilous heights.
Also, in the Rhapsody on Contemplating the Mystery (Sixuan fu) by Zhang Heng: Longing to pass through the steep and jagged slopes.
Also written in a variant form (e). In the Rhapsody on the Capital of Wu (Wudu fu) by Zuo Si: Rising precipitously between several states, pouring into the middle of the world.
Collected Rhymes (Jiyun): Also written as the variant form (qin).