admortization
/ədˌmɔːtʌɪˈzeɪʃn/(also admortisation)
noun
The extinction of a debt or any pecuniary liability, especially by means of a sinking fund.
- Cent. Dict. (1889) records admortization as a variant of amortization but does not specify whether it was attested in both the modern and the historical sense..
Origin
Mid 18th century (in an earlier sense). Variant or alteration of amortization, probably originally after either post-classical Latin admortization-, admortizatio, variant of amortizatio, or Middle French admortisation, admortization.