一切經音義 43.609

43.609

白虹（古文羾同胡公反說文螮蝀虹也俗呼美人江東呼為雩釋名虹攻也純陽攻陰氣也）。

白虹 (white rainbow: in ancient script written as 羾; hu + gong fanqie. The *Shuowen jiezi* states: "The didong is a rainbow." Colloquially called a 'beauty'; east of the Yangtze it is called a yu. The *Shiming* states: "Rainbow (hong) means attack (gong); it is pure yang attacking yin qi.")