Herb adding price to alcoholic drink (7)
I believe the answer is:
alecost
'herb' is the definition.
(alecost is a kind of herb)
'price to alcoholic drink' is the wordplay.
'price' becomes 'cost' (synonyms).
'to' says to put letters next to each other (I've seen this in other clues).
'alcoholic drink' becomes 'ale' (type of beer).
'cost' after 'ale' is 'ALECOST'.
'adding' is the link.
I am not very happy about this link. It may belong to another bit of the clue.
Can you help me to learn more?
(Other definitions for alecost that I've seen before include "plant" , "used to provide flavouring for beer" , "Herb" .)