一切經音義 97.71

97.71

榱棟（上所追反下冬弄反爾雅云桷謂之榱棟謂之桴郭注云榱屋椽也桴謂穩也周易云上棟下宇以待風雨也說文棟謂屋極也並從木衰東皆聲桴音扶留反穩音殷謹反穩謂檁也檁音臨錦反）。

Rafters and ridgepoles (榱棟: the first [character is pronounced] suo + zhui fan; the second is dong + nong fan; the Erya says that roof rafters are called cui (榱), and ridgepoles are called fu (桴); Guo's commentary says that cui are the rafters of a building, and fu refers to purlins; the Zhouyi says, 'High ridgepoles and low eaves to protect against wind and rain'; the Shuowen jiezi says that the dong (棟) is the crest of a building; both are composed of 'wood' [木] with cui [衰] and dong [東] phonetic; 桴 is pronounced fu + liu fan; 穩 is pronounced yin + jin fan, meaning purlin; 檁 is pronounced lin + jin fan).