nightie

Etymology

night + -ie

noun

1. (informal) A woman's nightgown or nightdress for wearing to bed.
   I was too embarrassed to answer the door in my nightie.
   The clip shows the 67-year-old enfant terrible of French letters in pyjamas lying on a bed next to a woman in a nightie, smoking and laughing. 2023-03-28, Philip Oltermann, “Michel Houellebecq sex film to be released despite attempt to stop it”, in The Guardian, →ISSN