忍耐

1. Origins, structure, and basic meaning

• Structure: 忍耐 (にんたい) combines endurance 忍 and resistance 耐 to denote patience or perseverance under difficulty.
• Basic usage: It is needed through long negotiations and sustained practice after failure.

2. Common pitfalls and similar expressions

• Endurance that supports continued effort
  • 忍耐強く can describe persistently continuing an action, not only passively waiting without complaint.