The most common and most likely answer to this crossword clue is the 8 letter word THEOLOGY
I've seen this crossword clue in The Sunday Telegraph
T
H
E
O
L
O
G
Y
More clues leading to the result THEOLOGY
- Those people will collect old record for religious study
- Religious studies: love journal delving into the unknown
- Old record unspecified people must keep in Pusey’s study
- Studying this should help you get the next answer
- Divinity of people embracing our Lord, omnipotent God at first
- Convert to eg holy study of religion
- Old record those people keep for study of religion
- Bible study circle get holy conversion
- Those people acquiring old record for religious study
- Those people having put old record in priest’s study
Buddy explains!

The straight part
We know that "priest’s study" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case priest’s study = theology.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does THEOLOGY mean?
THEOLOGY noun- The study of God, a god, or gods; and of the truthfulness of religion in general.
- An organized method of interpreting spiritual works and beliefs into practical form.
- Subjective marginal details.