Skill; cunning (5)
I believe the answer is:
craft
This clue is a double definition.
'skill' is the first definition.
(I know that craft is a type of skill)
'cunning' is the second definition.
(cunning can mean craftiness)
(Other definitions for craft that I've seen before include "SECOND PART OF 23" , "Cunning; boat, ship" , "Skill, cunning" , "Create" , "Cunning - ability" .)