Si Collection, Middle Volume Radical: Fire (huǒ) Page 668, Entry 04 Pronounced da Shuowen Jiezi (Explaining Single-component Characters and Analyzing Compound Characters): Fire rising. Yupian (Jade Chapters): To explode or burst. Also, in the Book of the Later Han (Hou Hanshu), Record of Emperor Zhang: The personal name of Emperor Suzong Xiaozhang was Da.