This is the 10253rd most frequent Russian word.
богословию
"Theology."
The word 'богословию' is in the dative case, showing the field of specialty.
Я учился в университете, специализируясь на богословию.
I studied at university, specializing in theology.
Here, 'богословию' indicates the subject of the questions, used in the dative case.
Мы посвятили обсуждение вопросам, связанным с богословию.
We dedicated the discussion to questions related to theology.
In this case, 'богословию' is used in the dative case indicating the approach towards theology.