探たん究きゅう

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

research; investigation; inquiry; study

Systematic pursuit of knowledge or truth, often academic or intellectual. Used for both the act of investigating and the field of study.

• 彼かれは宇う宙ちゅうの起き源げんを探たん究きゅうしている。

  He is researching the origin of the universe.