Rainbow's end (6)
I believe the answer is:
violet
(Other definitions for violet that I've seen before include "Colour; flower, source of fragrance" , "Bluish purple" , "William's girl" , "Seldom" , "plant" .)
I believe the answer is:
violet
(Other definitions for violet that I've seen before include "Colour; flower, source of fragrance" , "Bluish purple" , "William's girl" , "Seldom" , "plant" .)