Definition of recatholization in English:
recatholization
(also recatholisation)
noun (ˌ)riːˌkaθəlʌɪˈzeɪʃn
The action or process of making a person, nation, etc., Catholic again.
Origin
Early 20th century. From re- + cathol- + -ization, after German †Rekatholisirung.