Amortize
Amortize ({not transcribed}) , transitive verb
[Old English amortisen, Late Latin amortisare, admortizare, French amortir to sell in mortmain, to extinguish; Latin ad + mors death. See Mortmain]
1.
To make as if dead; to destroy. [Obsolete] — Chaucer
2.
(Law) To alienate in mortmain, that is, to convey to a corporation. See Mortmain.
3.
To clear off or extinguish, as a debt, usually by means of a sinking fund.