secret funds; hidden financial resources
Refers to money or financial assets kept hidden, often for discretionary or emergency use. Commonly used in political, corporate, or personal contexts.
The politician was using secret funds for his election campaign.
The company has hidden financial resources for emergencies.
Compound of 隠し (hidden) and 財源 (financial resources). The exact historical derivation is uncertain, but the word follows a common pattern for describing concealed assets.