Halted (6)
(Other definitions for rested that I've seen before include "Took one's ease" , "Relaxed, took a break" , "Took a break from activities" , "Reposed or took a breather" , "Took break in desert" .)
'halted' is the definition.
('stop' can be a synonym of 'halt')
This is the entire clue.
(Other definitions for stopped that I've seen before include "gave up" , "Ceased, ended" , "What Terminator did" , "Prevented" .)