Etymology From French retracer, from Middle French retracier.
1
To trace (a line, etc. in drawing) again.
2
To go back over something, usually in an attempt at rediscovery.
He retraced his steps, and found his keys where he had dropped them.
Instead of retracing my route, I have elected to walk across Blackpool to the town's remaining large station, although even this has been greatly reduced in size.2022 November 2, Paul Bigland, “New trains, old trains, and splendid scenery”, in RAIL, number 969, page 56:
Etymology From French retracer, from Middle French retracier.
1
Broadcasting, Media, Television The period when the beam of the cathode-ray tube returns to its initial horizontal position in order to start the next line of the display.