臨りん時じ収しゅう入にゅう

noun

extra income; windfall; incidental earnings

Refers to money received unexpectedly or outside one's regular salary, such as a bonus, gift, or one-time payment. Often used in personal finance contexts.

• 今こん月げつは臨りん時じ収しゅう入にゅうがあったので、少すこし贅ぜい沢たくをしようと思おもう。

  I had some extra income this month, so I'm thinking of splurging a little.

• 臨りん時じ収しゅう入にゅうが入はいったら、まず貯ちょ金きんに回まわすようにしている。

  Whenever I get a windfall, I make it a rule to put it into savings first.