續一切經音義 7.174

7.174

藕絲（上五口反蓮根也爾雅曰荷芙渠其根藕也郭注云別名芙蓉江東呼荷也）。

藕絲 (The upper character is pronounced with the fanqie wu + kou; lotus root. The Erya says: "The he [荷] is the fuqu [芙渠]; its root is the lotus root [藕]." Guo's commentary says: "Another name is furong [芙蓉]; south of the Yangtze it is called he").