当たる

1. Origins, structure, and basic meaning

• Structure: 当たる(あたる) is a verb meaning to hit something or to fall under a condition.
• Basic usage: It describes both a ball striking a window and a person meeting a condition.

2. Common pitfalls and similar expressions

• A collision and meeting a condition
  • 窓に当たる means to hit a window.
  • 条件に当たる means to fall under a condition, a different use from physical contact.