一切經音義 1.170

1.170

竹葦（說文竹字象形下為鬼反說文大葭也從草韋聲案即蘆之大者也）。

竹葦 (The Shuowen jiezi says: 'The character 竹 [bamboo] is a pictograph.' The lower character has the fanqie 為鬼 [wěi]. The Shuowen jiezi says: 'Large reed; it takes 草 as radical and 韋 as phonetic.' In fact, it refers to the larger varieties of reeds).