The most common and most likely answer to this crossword clue is the 9 letter word PIN-MONEY
I've seen this crossword clue in Financial Times
P
I
N
-
M
O
N
E
Y
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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 PIN-MONEY mean?
PIN-MONEY noun- An allowance of money given by a man to his wife or to other dependents for their personal, discretionary use.
- A relatively small sum of cash kept in one's personal possession for routine expenses or incidental purchases; an amount of money which is not particularly significant.