expression, ichidan verb
pay out of one's own pocket; foot the bill oneself
Idiomatic expression meaning to bear a cost personally, often when one would rather not or when it is an unexpected expense.
交通費は自分で懐を痛めて払った。
I paid the travel expenses out of my own pocket.
会社の備品を壊し
I broke the company equipment and had to pay for it myself, which hurt my wallet.