自負

1. Origins, structure, and basic meaning

• Structure: The noun and する verb 自負 (じふ) denotes pride or confidence in one's own ability and experience.
• Basic usage: The claimed achievement takes と in してきたと自負する, while 経験への自負 identifies its basis.

2. Common pitfalls and similar expressions

• Confidence in one's own record
  • It can be positive confidence in one's record and differs from vainly claiming superiority without grounds.