塗装

1. Origins, structure, and basic meaning

• Structure: 塗装 is read as とそう and is a noun and する verb for painting or coating a surface and the resulting finish.
• Basic usage: Painting a door blue appears in 門を青く塗装する, while a bicycle coating peeling appears in 自転車の塗装が剥げる.

2. Common pitfalls and similar expressions

• Process and resulting finish
  • する describes the process, while が剥げる describes the finished coating’s condition.
• Difference from 塗る
  • 塗装 focuses on surface-finishing work and its coating rather than application in general.