据わる

1. Origins, structure, and basic meaning

• Structure: 据わる, read すわる, denotes an object settling firmly or a person acquiring steady composure and nerve.
• Basic usage: It describes a heavy shelf settling firmly and a person gaining composure through experience.

2. Common pitfalls and similar expressions

• Physical and mental steadiness
  • The sense of an object sitting firmly extends to a person developing steady composure and nerve.