re-Christianize

verb

re-Chris·​tian·​ize (ˌ)rē-ˈkris-chə-ˌnīz 

-ˈkrish-

re-Christianized; reChristianizing; reChristianizes

transitive verb

: to Christianize again

During the next few centuries they effectively re-Christianized the continent, re-establishing monasteries, churches, and places of learning where ruins had been left in the wake of the Roman departure.

—Kevin Koch

Word History

First Known Use

1792, in the meaning defined above