negligee
/ˈneglɪʒeɪ/(亦作négligée)
noun
- a woman's light dressing gown, typically made of a filmy, soft fabric（多指由轻柔质料制成的）妇女长晨衣。
词源
mid 18th cent. （denoting a kind of loose gown worn by women in the 18th cent.）： from French, literally 'given little thought or attention', feminine past participle of négliger 'to neglect'.