Bandage up (6)
I believe the answer is:
swathe
'bandage up' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for swathe that I've seen before include "Row or path cut through" , "Cover" , "An enveloping bandage" , "Wrap; bandage" , "Broad strip or area; wrap in fabric" .)