simple work; repetitive job; unskilled work; menial work
Refers to tasks that are straightforward, often repetitive, and require little skill or training. Can carry a slightly negative connotation of being tedious or low-level.
Repeating simple tasks at the factory is tiring.
He is not good at menial work and gets bored quickly.
ルーティンワーク emphasizes routine and fixed procedures, while 単純作業 stresses simplicity and lack of complexity.
雑用 refers to miscellaneous chores or odd jobs, often implying a mix of small tasks, whereas 単純作業 focuses on the repetitive and unskilled nature of the work.
Compound of 単純 (simple) and 作業 (work, operation). The exact historical derivation is straightforward; the word is a modern combination of these two Sino-Japanese elements.