According to "Guangyun", the pronunciation is xù jí (许极切), and according to "Jiyun", the pronunciation is qì lì (迄力切), sounding like "fú". "Yupian" explains this as reddish-black. Also, in "Jiyun", there is xū qí (虚其切), sounding like "xī". This means black. There is also shī zhī (施只切), sounding like "shì". "Fangyan" (Yangzi's) explains this as color. One interpretation is a bright red appearance.