To cast again or to reshape something, such as recasting a metal object into a new form or recasting a movie role with a different actor.
From Middle English 're-' (again) + 'cast' (to throw, from Old Norse 'kasta'). The prefix 're-' means to do something again, and 'cast' originally meant to throw or mold, evolving to include changing roles or forms.
When a movie needs a new actor partway through filming, they have to recast the role—but this word's older meaning of physically melting down and reshaping metal shows how language borrows metaphors from craft work to describe modern entertainment.
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