English-Spanish translations for palimpsest

A manuscript or document that has been erased or scraped clean, for reuse of the paper, parchment, vellum, or other medium on which it was written
Circular features believed to be lunar craters that have been obliterated by later volcanic activity
Memory that has been erased and re-written
Something bearing the traces of an earlier, erased form
To scrape clean, as in parchment, for reuse

Typically refers to a multi-layered work, e.g.: new ads covering old on a roadside sign

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