Essence of roses (5)
I believe the answer is:
attar
'essence of roses' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for attar that I've seen before include "Fragrant oil obtained from roses" , "Essential oil from flower" , "Essential oil from flowers" , "Fragrant floral oil" , "Fragrant rose oil" .)