一切經音義 91.117

91.117

函杖（上音含考聲云函容也銜也說文從弓象形字也或作涵）。

函杖 [enclosing the staff] (The first character is pronounced like 含 [hán]. The Kaosheng says: '函 means to contain; to hold in the mouth.' The Shuowen jiezi says: 'It derives from 弓 [bow]; it is a pictographic character.' It is also written as 涵).