123456789101112131415161718192021222324Keywordmothbookwormmoth-eatenworm-eatenFrequency#4578Strokes24ReadingsdùMnemonic虫 (insect) gives the meaning and 橐 the sound.Stroke orderComposed of橐sack虫insectUsed in vocabulary蠹dùinsect that eats into books, clothing etc; moth-eaten; worm-eaten蠹虫dùchóngmoth; harmful person; vermin蠹鱼dùyúsilverfish