European assembly not against exit (6)

I believe the answer is:

egress

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'exit' is the definition.
(I've seen this before)

I don't understand the remainder of the clue.

(Other definitions for egress that I've seen before include "The act of leaving a building" , "door perhaps" , "Issue" , "Action of going out" , "Way out of serges" .)

I've seen this clue in The Independent.

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