to begin to return somewhere; to begin again from an earlier point in a story or explanation, especially the beginning
Oxford67% of films
to begin to return somewhere
Then we should start back. No, if that ship can still fly, we need it.
Editorial33% of films
to begin again from an earlier point in a story or explanation, especially the beginning
I guess, just start back from the beginning.
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition