Files a recipe with herb (7)
I believe the answer is:
archive
'files a recipe with herb' is the definition.
I can't judge whether this defines the answer.
'a recipe with herb' is the wordplay.
'recipe' becomes 'r' (abbreviation in medical prescriptions).
'with' says to put letters next to each other.
'herb' becomes 'chive' (I can't explain this - if you can you should give a lot more credence to this answer).
'a'+'r'+'chive'='ARCHIVE'
Can you help me to learn more?
(Other definitions for archive that I've seen before include "employed for historical records" , "Save data for storage" , "Collection of historical records" , "Depository for records and documents" , "Repository of historical records" .)