The most common and most likely answer to this crossword clue is the 6 letter word DIRHAM
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More clues leading to the result DIRHAM
Buddy explains!

The straight part
We know that "money in Africa" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case money in africa = dirham.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 DIRHAM mean?
DIRHAM noun- A unit of currency used in the Arab world, currently the name of the currency of Morocco and the United Arab Emirates.
- A former small Turkish unit of weight, variously reckoned as 1.5–3.5 g (0.05–0.12 oz.).