後退

1. Origins, structure, and basic meaning

• Structure: The noun and する verb 後退 (こうたい) covers physical retreat and regression to an earlier stage.
• Basic usage: A driver may have 後退させた a vehicle, while negotiations that regressed can be described with 後退した.

2. Common pitfalls and similar expressions

• Causative and intransitive forms
  • Use the causative 後退させる to make a vehicle move back and 後退する when negotiations themselves regress.