主しゅ著ちょ

noun

chief work; main work; magnum opus

Refers to the most important or representative work of an author, scholar, or artist. Often used in academic or literary contexts.

• この小しょう説せつは彼かれの主しゅ著ちょと見みなされている。

  This novel is regarded as his chief work.

• 主しゅ著ちょの執しっ筆ぴつに十じゅう年ねんを費ついやした。

  He spent ten years writing his magnum opus.