noun
unskilled labor; simple labor; menial work
Refers to work that does not require special skills or training, often repetitive or physical.
工場での単純労働は、ロボットに置き換えられつつある。
Simple labor in factories is gradually being replaced by robots.
彼は単純労働で生計を立てている。
He makes a living doing unskilled work.
Compound of 単純 (simple) and 労働 (labor).