Answer: palimpsest

AnswerCrossword Clue
PALIMPSESTReworked parchment
palimpsestSomething reused or altered but still bearing visible traces of its earlier form
palimpsestA manuscript or piece of writing material on which the original writing has been effaced to make room for later writing but of which traces remain
palimpsestwriting material (as a parchment or tablet) used one or more times