backtrack
verbUK /ˈbæk.træk/
US /ˈbæk.træk/
To go back the same way you came.
We got lost in the woods, so we had to backtrack to the trail.
OTHER MEANINGS
2. To change an earlier opinion or statement.
The mayor backtracked on his promise to lower taxes.
3. To follow a process backward to find a mistake or cause.
The engineers backtracked through the code to find the bug.
4. In climbing, to descend a route you have just climbed.
They backtracked down the cliff after reaching the top.