調ちょう査さ

noun, noun or participle which takes 'suru', transitive verb

investigation; examination; inquiry; survey

Broad term for systematic fact-finding, research, or inspection. Used in academic, official, journalistic, and everyday contexts.

• 警けい察さつが事じ件けんの調ちょう査さを始はじめた。

  The police began an investigation into the case.