Guangyun notes the pronunciation as lue (falling tone). Jiyun notes the pronunciation as lue (entering tone). The pronunciation is the same as the character pronounced lue (falling tone). Shuowen Jiezi explains it as a type of wild beast, resembling a rabbit in appearance, with bluish-black fur and a larger body size. It is also used as a personal name; in the Zuo Zhuan (Zuo Zhuan), there is a figure named Shi Lue.