(often foll by to) to originate (in): the links with France go back to the Norman Conquest
3.
(foll by on) to change one's mind about; repudiate (esp in the phrase go back on one's word)
4.
(of clocks and watches) to be set to an earlier time, as during British Summer Time: when do the clocks go back this year?
Idioms and Phrases with go back
go back
.
Return, retrace one's steps; also, return to a former condition. For example, I'm going back to the haunts of my youth, or We want to go back to the old way of doing things. [ First half of 1500s ]
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Extend backward in space or time, as in Our land goes back to the stone wall, or The family name goes back to Norman times. [ Second half of 1600s ]