1822, from re- "again" + hash (v.). Related: Rehashed; rehashing.
rehash (n.)
1849, from rehash (v.); "old material worked up anew," usually of literary productions.
merely a dull rehash of his first novel
regurgitate
regurgitation
rehab
rehabilitate
rehabilitation
rehash
re-hear
rehearsal
rehearse
reheat
Rehoboth
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