The most common and most likely answer to this crossword clue is the 4 letter word SENE
S
E
N
E
Buddy explains!
The straight part
We know that "a little money abroad" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a little money abroad = sene.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 SENE mean?
SENE noun- Senna.
- A unit of currency equivalent to a hundredth of a Samoan tala.