一切經音義 33.306

33.306

右脇（險劫反說文脇肚兩傍也從肉劦聲劦音叶從三力經從三刀作脇者非也）。

Right flank (youxie; xian-jie fan. The Shuowen jiezi says: "Xie refers to both sides of the belly. It takes the flesh classifier and xie as phonetic." The xie phonetic has the sound ye, composed of three li [forces]. In the sūtra text it is written with three knives as 脇, which is incorrect).