noun, noun which may take the genitive case particle 'no'
pajamas; pyjamas
Refers to sleepwear, typically a two-piece set. Can also be used attributively with の to describe pajama-like items.
新しいパジャマを買った。
I bought new pajamas.
パジャマ姿で朝ごはんを食べた。
I ate breakfast in my pajamas.
A more traditional Japanese term for sleepwear, often implying a kimono-style garment, while パジャマ is a Western-style loanword.
Loanword from English 'pajamas' (or 'pyjamas'), ultimately from Persian 'pāy-jāmeh' (leg garment).