The most common and most likely answer to this crossword clue is the 5 plus 4 letter word PRO’S SHOP
I've seen this crossword clue in Financial Times
P
R
O
â
€
™
S
S
H
O
P
Buddy explains!
The straight part
We know that "Part of golf club" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case part of golf club = pro’s shop.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.