原げん因いん調ちょう査さ

noun

cause investigation; root cause analysis

A formal or technical term for investigating the underlying cause of an incident, accident, or problem. Often used in business, engineering, and medical contexts.

• 事じ故この原げん因いん調ちょう査さが始はじまった。

  An investigation into the cause of the accident has begun.

• 原げん因いん調ちょう査さの結けっ果か、設せっ計けいミスが判はん明めいした。

  The cause investigation revealed a design flaw.