Yin Collection, Middle Volume. Radical: Mountain (shān). 岫; Kangxi stroke count: 8; Page 309, Entry 22.
Guangyun (Broad Rimes): Pronounced xiu (falling tone). Jiyun (Collected Rimes), Yunhui (Collection of Rimes), Zhengyun (Correct Rimes): Pronounced xiu (falling tone).
Shuowen (Explaining Graphs): A cave in a mountain.
Erya (Approaching Elegance), Interpretation of Mountains: A mountain with a cave is called a xiu. Annotation: Refers to a rocky cavern.
Zuo Si, Wei Capital Rhapsody: Deep caves exhale clouds, the sun and moon are perpetually obscured.
Xu Gan, Seven Metaphors: Dwelling in the caves of the remote valley.
Note: In Erya, the character xiu originally referred to a mountain cave, but it is also commonly used to refer to a mountain itself.
Xie Tiao, Poem of Xuancheng Commandery: Distant mountain peaks are arrayed outside the window.
Huang Shangu, Poem on Passing Stone Pond: Clear mountain peaks pierce the sky like a painted screen.
Also: Guangyun (Broad Rimes), Jiyun (Collected Rimes), Leipian (Classified Chapters): Pronounced you.
Jin Dynasty Yu Chan's poem: Towering and jagged, the clear cliffs are agitated; overgrown and lush are the rocky caves. I ruminate, extending the six breaths, looking down and up throughout the nine cycles.
Jiyun (Collected Rimes): Sometimes written in a variant form.