noun
silverfish (Lepisma saccharina)
Refers to the common household insect; the scientific name is Lepisma saccharina.
セイヨウシミは湿った場所を好む。
Silverfish prefer damp places.
本棚でセイヨウシミを見つけた。
I found a silverfish in the bookshelf.
Compound of 西洋 (seiyō, 'Western') and 紙魚 (shimi, 'silverfish'), referring to the common silverfish species originally described in the West.