擦り切れる

1. Origins, structure, and basic meaning

• Structure: Written 擦り切れる and read すりきれる, it means wearing thin or fraying through repeated friction.
• Basic usage: It is used for an old bag bottom and socks nearing a hole.

2. Common pitfalls and similar expressions

• Gradual wear, not a sudden tear
  • The damage accumulates through use rather than one sharp force.