re ‧ hash /riːˈhæʃ/ BrE AmE verb [transitive]
[ Date: 1800-1900 ; Origin: ⇨ ↑ hash 2 ]
1 . to use the same ideas again in a new form that is not really different or better – used to show disapproval:
He simply rehashed the same story.
2 . to repeat something that was discussed earlier, especially in an annoying way:
This issue has been rehashed so many times already.
—rehash /ˈriːhæʃ/ noun [countable] :
It was just a rehash of last year’s show.