Chou Collection, Lower Volume Radical: Big (dà) Tai Kangxi Stroke Count: 5 Page 249, Entry 11 Compilation of Characters (Zihui bu): This is an ancient form of the character Tai (meaning grand or excessive). Extended Commentary on the Explaining of Graphs (Shuowen changjian): The heavens and earth merge and communicate, which is why it is composed of two Big characters.