originate vs date back

originate and date back both are verbs.

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

As verbs, date back is a hyponym of originate; that is, date back is a word with a more specific, narrower meaning than originate:

Other hyponyms of originate include initiate, lead up, set, date from, go back.

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