一切經音義 15.103

15.103

若齅（休救反以鼻就臭曰𩝠經作嗅俗字也）。

If sniffing (若齅: [齅 has the] fanqie 休救. Approaching an odor with the nose is called 𩝠. The sūtra writes 嗅, which is a vulgar character).