部屋へや着ぎ

noun

loungewear; indoor clothes; comfy home clothes

Casual, comfortable clothing worn at home; distinct from pajamas or going-out clothes.

• 帰き宅たくしたらすぐに部屋へや着ぎに着き替がえる。

  I change into loungewear as soon as I get home.

• 休きゅう日じつは一いち日にち中じゅう部屋へや着ぎで過すごす。

  On my days off, I spend the whole day in my comfy home clothes.