續一切經音義 1.114

1.114

噏取（上歆急反顧野王云噏氣息入也說文云內息也從口翕聲亦作吸字歆音許金反）。

噏取 [to inhale and draw in] (The upper character is pronounced with the fanqie 歆急 [xī]. Gu Yewang says: “噏 means the breath entering.” The Shuowen jiezi says: “Internal breathing.” It is formed from 口 [mouth] with 翕 as the phonetic element; it is also written as the character 吸. 歆 is pronounced with the fanqie 許金 [xīn]).