Wu Collection, Lower Volume Radical: Hole (xué) Wa Kangxi Stroke Count: 6 Page 862, Entry 22 Pronounced ya (glottal stop). According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it refers to a large hole. Additionally, based on the Extensive Dictionary of Rhymes (Guangyun) and the Collected Rhymes (Jiyun), pronounced wa (glottal stop). It refers to reaching into a hole with one's hand. According to the Refined Observations (Boya), wa-pou refers to being deep.