noun
personal funds; one's own money; self-funding
Refers to money that belongs to oneself, as opposed to borrowed or external funds. Often used in business, investment, or loan contexts.
起業するために自己資金を貯めています。
I'm saving my own money to start a business.
このプロジェクトは自己資金でまかなう予定です。
We plan to cover this project with self-funding.
Compound of 自己 (self) and 資金 (funds). The meaning is transparent from its components.