維新

1. Origins, structure, and basic meaning

• Structure: It is read いしん. This word names a sweeping renewal of an old political or social system.
• Basic usage: It describes a movement to change an old system or the social effects of major reforms in an era.
  • 古い制度を改める維新の動きが、各地で支持を集めた。

2. Common pitfalls and similar expressions

• General reform and sweeping renewal
  • 改革 broadly covers changes to institutions or methods of administration. 維新 is a historical or formal expression emphasizing a major social or political transformation.