trace back to
phrasal verbPart oftrace
trace back to — phrasal verb
1. to find the original source or cause of something by examining the chain of even
1.phrasal verb
Definition
to find the original source or cause of something by examining the chain of events that led to it
Example
The tradition of giving gifts at New Year can be traced back to ancient Chinese customs.
Her love of cooking traces back to afternoons spent in her grandmother's kitchen as a small child.