fishweirWiktionary 原文英美构词拆解fishfish词干weirweir词干词源链古英语Old English约 450–1150 年fisċwēr↓ 继承中古英语Middle English约 1150–1500 年fysshwere↓ 继承英语Englishfishweir词源说明From Middle English fysshwere, from Old English fisċwēr; equivalent to fish + weir.释义名词noun1An obstruction placed in tidal waters, or wholly or partially across a river, to trap fish or hinder their passage.