Swallow up in Parisian abyss (6)
I believe the answer is:
engulf
'swallow up' is the definition.
(I've seen this before)
'in parisian abyss' is the wordplay.
'in parisian' becomes 'en' ('in' in French).
'abyss' becomes 'gulf' (I've seen this in another clue).
'en'+'gulf'='ENGULF'
(Other definitions for engulf that I've seen before include "Swallow up as waves might" , "Immerse, cover completely" , "Absorb or overwhelm" , "Deluge" , "'Surround, overwhelm (6)'" .)