This is the 6099th most frequent Swedish word.
katolska
"Katolska" means "Catholic" in English.
In this sentence, 'katolska' is an adjective modifying 'teologin', indicating a specific field of religious study.
Min vän studerar katolska teologin.
My friend studies Catholic theology.
Here, 'katolska' describes the type of church being referred to, showing adherence to the Catholic tradition.
De besökte den katolska kyrkan i staden.
They visited the Catholic church in the city.
The word 'katolska' serves as an attribute for 'församlingen', specifying the religious community group as being Catholic.