rehash

nouns

old material that is slightly reworked and used again

"merely a dull rehash of his first novel"

rehash

is a type of (narrower)

information (data or ideas or observations) that can be used or reworked into a finished form

"the archives provided rich material for a definitive biography"

present or use over, with no or few changes

rehash

is a type of (narrower)

use again after processing

"We must recycle the cardboard boxes"

go back over

"retrograde arguments"

hash over, rehash, retrograde