身み銭ぜにを切きる

expression, godan verb (-ru)

pay out of one's own pocket; use one's own money

Emphasizes that the money comes from one's personal funds, not from an expense account or someone else. Often used when the speaker bears the cost themselves.

• 交こう通つう費ひは身み銭ぜにを切きって払はらった。

  I paid the travel expenses out of my own pocket.

• 会かい社しゃの経けい費ひではなく、身み銭ぜにを切きって教きょう材ざいを買かった。

  I bought the teaching materials with my own money, not on the company expense account.