陥る

1. Origins, structure, and basic meaning

• Structure: 陥る, read おちいる, describes falling into a state or situation that is difficult to escape.
• Basic usage: It describes becoming severely fatigued or a discussion getting stuck in a circular pattern.
  • 睡眠不足が続き、深刻な疲労に陥った。

2. Common pitfalls and similar expressions

• A change into an unfavorable state
  • 陥る often appears with difficult or undesirable situations. 堂々巡りに陥る describes a discussion circling back to the same points without progressing.