Some of them I take to shed (4)
I believe the answer is:
emit
'shed' is the definition.
(both can mean to give out or radiate)
'some of them i take' is the wordplay.
'some of' indicates a hidden word.
'EMIT' is hidden within 'them i take'.
'to' acts as a link.
(Other definitions for emit that I've seen before include "Small turtle" , "Give off or discharge" , "Give out (eg light)" , "shed" , "Conductor; telegram (US)" .)