浴室

1. Origins, structure, and basic meaning

• Structure: In 浴室 (よくしつ), bathing 浴 and room 室 combine to denote a bathroom.
• Basic usage: 浴室 denotes the room equipped for bathing.

2. Common pitfalls and similar expressions

• Room versus bathing activity
  • 浴室の modifies a fixture, wall, or similar noun and 浴室は makes the room the topic; the word is distinct from the act of bathing.