re‧trace /rɪˈtreɪs, riː-/ 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

[TahlilGaran] Dictionary of Contemporary English ▲