Drag wearily along a path (5)
I believe the answer is:
trail
'path' is the definition.
(trail is a kind of path)
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for trail that I've seen before include "Be drawn belong behind" , "advertise upcoming programmes" , "Wake" , "Rural footpath" , "Linger behind" .)