date back vs originate

date back and originate both are verbs.

Word	Noun	Adjective	Verb	Adverb
date back	No	No	Yes	No
originate	No	No	Yes	No

As verbs, originate is a hypernym of date back; that is, originate is a word with a broader meaning than date back:

Other hypernyms of date back include initiate, start.

date back (verb)	originate (verb)
belong to an earlier time	bring into being
	come into existence; take on form or shape
	begin a trip at a certain point, as of a plane, train, bus, etc.