余剰

1. Origins, structure, and basic meaning

• Structure: 余剰 is read as よじょう and means “surplus” and “excess”.
• Basic usage: It refers to surplus cloth repurposed into a pouch and preventing excess material through calculation.

2. Common pitfalls and similar expressions

• 余剰の布 / 余剰が出る
  • Use 余剰の布 for material already left over and 余剰が出る for surplus arising.