巣ごもり

1. Origins, structure, and basic meaning

• Structure: 巣ごもり is read as すごもり and means staying home or nesting.
• Basic usage: It can mean staying home for a person or nesting for a bird.

2. Common pitfalls and similar expressions

• Staying home on a rainy weekend
  • 巣ごもりして: I stayed home and read during the rainy weekend. Example: 雨の週末は巣ごもりして本を読んだ。
• A parent bird nesting
  • 巣ごもり: The parent bird remained alert to its surroundings while nesting. Example: 親鳥は巣ごもりの間も周囲を警戒していた。