re ‧ trace /rɪˈtreɪs, riː-/ BrE AmE verb [transitive]
1 . retrace your steps/path/route etc to go back exactly the way you have come:
After a few minutes, he turned around and began to retrace his steps.
2 . to repeat exactly the same journey that someone else has made:
We shall be retracing the route taken by Marco Polo.
3 . to find out where someone went:
an investigation to retrace the dead man’s last known movements