履行

1. Origins, structure, and basic meaning

• Structure: 履行 is read as りこう and can mean “fulfillment” or “performance of an obligation”, depending on context.
• Basic usage: The examples show fulfilling contractual duties and examining the phrase “fulfillment of a promise”.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It is a formal term for carrying out an obligation, contract, or promise and emphasizes a duty rather than an ordinary activity.