Pronounced xi ying (entering tone) in the Guangyun, and si ying (entering tone) in the Jiyun, Yunhui, and Zhengyun. The pronunciation is the same as "xing". Explained in the Shuowen Jiezi as red, hard soil. Originally written as "yang", also written as "xing". The character "yang" is derived from the "yang" radical, which is an archaic form of the character "yang".