蠹dù（ㄉㄨˋ）
⒈ 蛀蚀器物的虫子：蠹虫。木蠹。书蠹。蠹鱼。
⒉ 蛀蚀：流水不腐，户枢不蠹。蠹蛀。蠹害。蠹弊（弊病，弊端）。
moth
形声
moth; insects which eat into clot
