Backtrack
WordNet
verb
(1) Retrace one's course
"The hikers got into a storm and had to turn back"
WiktionaryText
Verb
- to retrace one's steps
- I dropped my sunglasses and had to backtrack to find them.
- to repeat or review work already done
- If we backtrack through this problem, maybe we can figure out where we went wrong.
- taxiing down an active runway in the opposite direction to that being used for takeoff
- Speedbird One: Enter and backtrack Runway 27 Left