Somewhat loves selling ship (6)
I believe the answer is:
Here is my best explanation:
'ship' is the definition.
(I've seen this before)
'somewhat loves selling' is the subsidiary indication.
'somewhat' indicates the answer is hidden within the clue.
'vessel' is hidden within 'loves selling'.
(Other definitions for vessel that I've seen before include "Ship, or receptacle for liquid", "Ship, or artery", "A ship or kitchen utensil", "Boat or bottle, say", "Blood-carrying tube or a ship", "Artery or ship?", "Ship; utensil", "Kind of ship or a kitchen pot (6)", "Large boat; container" and "A ship - or a pot".)