Depreciation (noun)

1. A decrease in value of an asset over time, usually due to wear and tear, obsolescence, or market conditions.
2. The process of depreciating an asset.

Origin:

From latin depretiare, from de- + pretiare to value, from pretium price.

Examples:

1. The depreciation of the building was taken into account in the cost analysis.
2. The depreciation of the equipment was calculated for the tax purposes.
3. The car's depreciation was higher than expected.
4. The company's accounting system uses straight-line depreciation method.
5. The depreciation of the currency has made imports more expensive.