探る

1. Origins, structure, and basic meaning

• Structure: 探る is read as さぐる and is a transitive verb meaning to feel one's way through what is hard to see or to probe for a hidden background or truth.
• Basic usage: Checking the ground appears in 足元を探る, while investigating a case appears in 事件の背景を探る.

2. Common pitfalls and similar expressions

• From physical sensing to investigation
  • The physical sense of feeling out a hard-to-see area extends to investigating facts for which information is limited.
• Difference from 探す
  • 探す centers on looking for a person or object one wants to find, while 探る focuses on cautiously discovering a hidden state, cause, or reaction.