inure

To cause someone to become accustomed to something that requires prolonged or repeated tolerance of one or more unpleasantries.

Matcht with as valiant men, and of as cleane a might, / As skilfull to commaund, and as inur’d to fight.

To none of these evidences of a fearful tragedy of a long dead day did little Tarzan give but passing heed. His wild jungle life had inured him to the sight of dead and dying animals, and had he known that he was looking upon the remains of his own father and mother he would have been no more greatly moved.

To take effect, to be operative.

Jim buys a beach house that includes the right to travel across the neighbor's property to get to the water. That right of way is said "to inure to the benefit of Jim".

If I understand the process correctly, cash refunds are turned into the United States Treasury, but price reductions inure to the particular department and increase its appropriations by whatever they collect.

To commit.

He […] gan that ladie strongly to appele / Of many haynous crymes by her enured.