Retrace
来自Big Physics
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late 17th century: from French retracer .
wiktionary
From French retracer, from Middle French retracier
etymonline
retrace (v.)
1690s, "trace back to a source," from French retracer "to trace again," earlier retracier, from re- "again" (see re-) + tracier "to trace" (see trace (v.)). Sense of "go back upon" (one's steps, path, etc.) is by 1794. Related: Retraced; retracing.
