The most common and most likely answer to this crossword clue is the 4 plus 4 letter word LEFT BANK
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B
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More clues leading to the result LEFT BANK
- What retired teller did in Parisian milieu?
- Port with provider of funds for arty area
- District of Paris pulled out of by financial establishment
- Deserted site gathering interest as artistic quarter
- Part of French capital deposited with moneylender
- Pushed the boat out in Paris?
- Went to deposit part of capital
Buddy explains!

The straight part
We know that "Parisian milieu" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case parisian milieu = left bank.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.