woodwork (n.)youdaoicibaDictYouDict[woodwork 词源字典]
"article made of wood," 1640s, from wood (n.) + work (n.). Especially applied to wooden details of a house, hence figurative use of to come (or crawl) out of the woodwork, by 1960, suggestive of cockroaches, etc.[woodwork etymology, woodwork origin, 英语词源]