surplus

1. Origins, structure, and basic meaning

• Structure: 剰 has eleven strokes and the on-reading じょう.
• Basic usage: It describes an amount left beyond what is needed or an excessive degree.

2. Common pitfalls and similar expressions

• Surplus and excess
  • 余剰(よじょう) focuses on the portion left beyond what is needed, such as surplus cloth or material.
  • 過剰(かじょう) focuses on the judgment that packaging or caution exceeds the necessary degree.
• Evaluating a surplus
  • Material described as 余剰 can still be used to make something else. Being left over is not the same as being useless.