Church trading is set up with wealth, but not European (6)
I believe the answer is:
simony
'church trading' is the definition.
The definition and answer can be both acts as well as being singular nouns.
Maybe there's a link between them I don't understand?
'is set up with wealth but not european' is the wordplay.
'set up' shows that the letters should be reversed in order (in a down clue, letters go up).
'with' is a charade indicator (letters next to each other).
'wealth' becomes 'money' (money is a kind of wealth).
'but not' indicates named letters should be taken away.
'european' becomes 'E' (abbreviation e.g. EU).
'is' backwards is 'si'.
'money' with 'e' removed is 'mony'.
'si'+'mony'='SIMONY'
Can you help me to learn more?
(Other definitions for simony that I've seen before include "Trade in ecclesiastical pardons" , "Buying and selling of ecclesiastical offices" , "Dealing in church property" , "purchase of church office" , "Buying and selling of benefices etc" .)