Pronounced rǔi (falling tone) in the Guangyun (Guangyun), and ruí (falling tone) in the Jiyun (Jiyun) and Leipian (Leipian), with a pronunciation similar to the character "wěi." The Guangyun explains it as the appearance of gentle wind. Guo Pu wrote in the Jiangfu (Jiangfu): "Gentle and not overbearing, swift and not fierce." The Zihui Bu (Zihui Bu) records this character as the same as [].