Expenditure (noun)

1. The action of spending money or using resources.
2. An amount of money spent or costs incurred.

Origin:

Late middle english (in the sense "expending, spending"): from old french, or from latin expendere, from ex- "out" + pendere "weigh".

Examples:

1. The company's expenditure on research and development is increasing.
2. The expenditure for the project was higher than expected.
3. He had to reduce his personal expenditure to save money.
4. The government's expenditure on healthcare is a significant portion of the budget.
5. The expenditure report shows how much was spent on each department.