Wu Collection, Lower Volume Radical: Cave (xué) Kangxi stroke count: 13 Page 866, Entry 33 Guangyun (Expanded Rhyme Dictionary), Jiyun (Collected Rhymes), Yunhui (Collection of Rhymes), Zhengyun (Correct Rhymes): Pronounced ku (rising tone). Pianhai (Sea of Texts): Ku refers to a dwelling, and also signifies a cave or burrow. Book of Rites (Liji): In ancient times, early kings possessed no palaces and resided in excavated caves during the winter. Zuo Tradition (Zuozhuan): In the thirtieth year of Duke Xiang, Boyou of Zheng constructed an underground chamber and drank within it at night. Records of the Grand Historian (Shiji): Prince Guang stationed armored soldiers in ambush within an underground room. Note: This refers to excavating the earth to create a dwelling. Also the name of a mountain. History of the Northern Dynasties (Beishi): Retired to live in the Sanku Mountains of Xingyang. Commentary on the Water Classic (Shuijing Zhu): Tangshu Mountain is known as Tangshu Cave. One li further west lies Shiliang Cave. Also Yueku, the place where the moon rises. Strategies of the Warring States (Zhanguo Ce): Su Qin deliberately resided in a cave-like dwelling located in a remote alley. Note: Jue is equivalent to ku, as the ancient characters are interchangeable. Also rhyming with qiu and yue, pronounced que. Xie Lingyun, Ci Lu Fu (Rhapsody on Resigning from Office): Removed the official seal within the city and returned to the mountain cave to don coarse cloth robes. Severing all worldly affairs in an instant, forever separated from the concerns of society. Also rhyming with qu and yi, pronounced qi. Su Shi, Coal Poem: You know that one wishes to fell the nests of the wicked; yet when has the State of Chu ever executed the limitless? Liushu Yinyi (Sounds and Meanings of the Six Writings): Also written as the variant form ku (hū).