Wu Collection, Lower Volume Radical: Cave (xué) 窙 Kangxi stroke count: 12 Page 866, Entry 01 Pronounced xiao. Describes the appearance of breath rising high. Pan Yue, Ode to Climbing Hulao Mountain (Deng Hulao Shan Fu): The deep valley is expansive and high-reaching. Commentary: The appearance of being open, wide, and unobstructed.