一切經音義 14.240

14.240

腦胲（改亥反足大指毛下肉又云頰肉也從肉亥聲）。

Big toe pads (腦胲: [the second character] has the fanqie gai + hai; the flesh beneath the hair of the great toe of the foot; it also means cheek flesh; composed of 肉 with 亥 phonetic).