個室

1. Origins, structure, and basic meaning

• Structure: Spelling: 個室. Reading: こしつ. Core meaning: private room.
• Basic usage: Representative examples: 静かな個室を予約して、家族で食事をした / 入院中は窓のある個室で過ごした.

2. Common pitfalls and similar expressions

• A room for exclusive use
  • 個室 is a room separated for the exclusive use of one person or party. It need not be someone's permanently owned personal room and can occur in restaurants or hospitals.