Cryptic crossword clue
Main office provided backing for study of religious law 4

The most common and most likely answer to this crossword clue is the 4 letter word FIQH

F
I
Q
H


Buddy explains!

The straight part
We know that "study of religious law" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case study of religious law = fiqh.
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.

Crossword Answer definitions

FIQH noun
  1. Jurisprudence in the Islamic law, shari'a.

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