repristinate

(transitive)To restore something to an older or original state.

1753, uncredited translator, The Source, the Strength, and the True Spirit of Laws by Giovanni Cattaneo, London: Lockyer Davis, Part 2, Chapter 1, p. 88, The sovereign Intelligence that produced all Things, and acts incessantly in Nature, to conserve, correct and repristinate or renew it, is therefore the sole Source of this universal Law […]

1974, William F. Buckley Jr., United Nations Journal, cited in Mitchell S. Ross, The Literary Politicians, Garden City, NY: Doubleday, 1978, p. 55, The press of the world would rivet its attention on the case the American deligate was making for human rights, repristinating the jaded vision of the international bureaucrats.