Rehash
来自Big Physics
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wiktionary
re- + hash
etymonline
rehash (v.)
"work up (as old material) in a new form," 1822, from re- "again" + hash (v.). Related: Rehashed; rehashing.
rehash (n.)
"old material worked up anew, something concocted from material formerly used," usually of literary productions, 1849, from rehash (v.).
