Mint family herb (5)
I believe the answer is:
thyme
'mint family herb' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for thyme that I've seen before include "something fragrant?" , "Herb with fragrant leaves - parsley, sage, rosemary and . . . . ." , "Aromatic plant" , "Flavouring" , "Meadow herb" .)