Refrained from, because one carried on (7)
I believe the answer is:
forbore
'refrained' is the definition.
('forbear' can be a synonym of 'refrain')
'because one carried on' is the wordplay.
'because' becomes 'for' (I've seen this before).
'one carried' becomes 'bore' (I've seen this before).
'on' says to put letters next to each other.
'for'+'bore'='FORBORE'
'from' is the link.
(Other definitions for forbore that I've seen before include "Held back" , "Refrained (from doing something)" .)