Skin to keep dark (4)
I believe the answer is:
hide
(Other definitions for hide that I've seen before include "Keep out of sight" , "Keep secret, skin" , "(Place of) conceal(ment)" , "Keep under wraps" , "Animal's tough skin" .)
I believe the answer is:
hide
(Other definitions for hide that I've seen before include "Keep out of sight" , "Keep secret, skin" , "(Place of) conceal(ment)" , "Keep under wraps" , "Animal's tough skin" .)