一切經音義 73.304

73.304

陰燧（古文作鐆𤎩二形今作[(檖-(這-言))/火]或作燧同辭醉反陰燧出水陽燧出火者鐆玉石之銅精圓也陰燧以鐵方也）。

Lunar burning-mirror [陰燧] (written in the two ancient character forms 鐆 and 𤎩; nowadays written as [(檖-(這-言))/火] or 燧; both pronounced ci + zui fan; the lunar burning-mirror draws out water, while the solar burning-mirror draws out fire; the *sui* [mirror] is the essence of copper from jade stone, and is round; the lunar burning-mirror is made of iron and is square.)