The most common and most likely answer to this crossword clue is the 8 letter word RENMINBI
R
E
N
M
I
N
B
I
More clues leading to the result RENMINBI
Buddy explains!

The straight part
We know that "dosh" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dosh = renminbi.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 RENMINBI mean?
RENMINBI noun- The official currency of the People's Republic of China