To make mortgage payments is an example of amortize.
To take a tax deduction for the purchase of business equipment over several years is an example of amortize.
Origin of amortize
- Middle English amortisen to alienate in mortmain from Old French amortir amortiss- from Vulgar Latin admortīre to deaden Latin ad- ad- Latin mors mort- death mer- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition