An artwork of three panels (8)
I believe the answer is:
triptych
(Other definitions for triptych that I've seen before include "Picture with three panels" , "work of art" , "Three-panel artwork" , "set of panels" , "panel" .)
I believe the answer is:
triptych
(Other definitions for triptych that I've seen before include "Picture with three panels" , "work of art" , "Three-panel artwork" , "set of panels" , "panel" .)