Remove painting by Kandinsky, possibly (8)
I believe the answer is:
abstract
I believe this is a double definition.
'remove' is the first definition.
(abstract can mean to extract or remove)
'painting by kandinsky possibly' is the second definition.
(Wassily Kandinsky was an abstract painter)
(Other definitions for abstract that I've seen before include "Steal" , "Theoretical, not concrete" , "Sketchy summary of the main points" , "a work of modern art" , "sculpture by Hepworth" .)