平ら

1. Origins, structure, and basic meaning

• Structure: 平ら (たいら) is a な-adjective read たいら for a flat or level condition.
• Basic usage: It describes leveling uneven ground and choosing a stable flat surface for a box.

2. Common pitfalls and similar expressions

• Resultative に and attributive な
  • 平らにする creates a level result, while 平らな場所 describes a place that is already level.