Spanish cubist (4)
I believe the answer is:
gris
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spanish cubist</span>' is the definition.<br/ ><span class="explanation-format__explanation">(painter Juan Gris, 1887-1927)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for gris that I've seen before include "neutral colour in Paris" , "Spanish artist" .)