制度

1. Origins, structure, and basic meaning

• Structure: In 制度 (せいど), regulation 制 and system 度 combine to denote an institution.
• Basic usage: 制度 is an organized set of rules and operating arrangements established for a purpose in society or an organization.

2. Common pitfalls and similar expressions

• Institutional system rather than one rule
  • It focuses on an enduring structure rather than one provision or temporary measure.