一切經音義 14.51

14.51

孔隙（卿逆反說文從阜從白上下小經從巢作隟非也）。

孔隙 Apertures and crevices: (The second character has the fanqie 卿逆 [xì]. The Shuowen says it takes 阜 as semantic and 白, narrow at the top and bottom. In the sūtra text, writing it with 巢 as 隟 is incorrect).