Beginner, tyro (6)
I believe the answer is:
novice
This clue is a double definition.
'beginner' is the first definition.
(I know that beginner can be written as novice)
'tyro' is the second definition.
(I know that tyro can be written as novice)
(Other definitions for novice that I've seen before include "Rookie" , "Beginner, tyro" , "Beginner, trio" , "Trainee monk" , "Convert" .)