Resume painting following break (7)
I believe the answer is:
restart
'resume' is the definition.
(I know that resume can be written as restart)
'painting following break' is the wordplay.
'painting' becomes 'art' (painting is an art).
'following' means one lot of letters go next to another.
'break' becomes 'rest' (a rest is taking a break).
'art' put after 'rest' is 'RESTART'.
(Other definitions for restart that I've seen before include "launch again" , "begin afresh" , "Begin anew" , "Resume" , "Jumping the gun will mean" .)