一切經音義 26.28

26.28

簫（爾雅大簫謂之䇾郭璞云編三十三管長尺四寸小者謂之箋十六管也）。

Xiao panpipes (the Erya says: "The large xiao is called the yan"; Guo Pu says: "It consists of thirty-three pipes, one chi and four cun in length; the smaller one is called the jian, having sixteen pipes").