also: ざっしゅうにゅう
noun
miscellaneous income
Refers to income from irregular or non-primary sources, such as side jobs, interest, or incidental earnings. Often used in accounting or tax contexts.
確定申告では、雑収入も忘れずに申告してください。
When filing your tax return, please be sure to declare miscellaneous income as well.
彼の雑
His miscellaneous income mainly comes from affiliate marketing and lecture fees.