一切經音義 11.203

11.203

齅地獄香（許救反經從口作嗅俗字也以鼻就殠曰齅也）。

Smell the fragrance of the hells (xiu: [first syllable] xu-jiu fan. In the sūtra, taking the radical 口 and written as 嗅 is a vulgar character. Bringing the nose close to a foul odor is called xiu.)