[hark back] {v.}, {literary}
1. To recall or turn back to an earlier time or happening.
* /Judy is always harking back to the good times she had at camp./
2. To go back to something as a beginning or origin.
* /The cars of today hark back to the first automobiles made about 1900./* /The slit in the back of a man's coal harks back to the days when men rode horseback./