簡易

1. Origins, structure, and basic meaning

• Structure: 簡易 (かんい) combines brevity 簡 and ease 易 to describe something simplified or suitable for temporary use.
• Basic usage: It modifies an emergency toilet, a procedure, or another arrangement designed with reduced complexity.

2. Common pitfalls and similar expressions

• Simple may also imply temporary
  • Depending on the noun, 簡易 can stress ease of use, a simplified structure, or temporary deployment rather than poor quality.