一切經音義 71.102

71.102

虹電（古文羾同胡公反俗音絳尒疋音義曰雙出鮮盛者為雄曰虹暗者為雌曰蜺蜺音五鷄反說文螮蝀虹也江東呼為雩釋名虹攻也純陽攻陰氣也螮音帝蝀音董也）。

虹電 [rainbow and lightning] (in ancient script written as 羾; pronounced with the fanqie 胡公 [h- + -ung = hong]; popular pronunciation is jiàng: The Erya Yinyi states: “When appearing in a pair, the bright and distinct one is male, called hong (虹); the dimmer one is female, called ni (蜺; pronounced with the fanqie 五鷄 [w- + -ei = ni]).” The Shuowen states: “The didong (螮蝀) is the rainbow; in Jiangdong it is called yu (雩).” The Shiming states: “Hong (虹) means attack (攻); it is pure yang attacking yin qi.” Di is pronounced with the fanqie 帝; dong with 董).