repristinate
/riˈprɪstɪneɪt/
verb
- To restore something to its original or pure state; to bring back to an earlier, unspoiled condition.
- After years of pollution, the community launched a project to repristinate the river to its natural clarity.
- The chef tried to repristinate the traditional recipe, using only ingredients available in the 18th century.
- The museum worked to repristinate the ancient fresco, removing layers of grime and overpainting.