term:

Subrogate

subrogate vt

-gat·ed
-gat·ing
[Latin subrogatus, past participle of subrogare surrogare to elect as a substitute, from sub- under + rogare to request]
: to put in the place of another by the doctrine of subrogation
: substitute (as a second creditor) for another with regard to a legal right or claim [s the trustee to the priority and avoidance rights of certain unsecured creditors "J. J. White and R. S. Summers"] [the surety who pays the principal obligation is subrogated…to the rights of the creditor "Louisiana Civil Code"]

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.