壁紙

1. Origins, structure, and basic meaning

• Structure: 壁紙 is read as かべがみ and means “wallpaper”.
• Basic usage: It refers to wallpaper being replaced and old wallpaper peeling from dampness.

2. Common pitfalls and similar expressions

• 壁紙を貼り替える / 壁紙の端が剥がれる
  • Use 壁紙を貼り替える for installation and 壁紙の端が剥がれる for damage to one edge.