palimpsest
noun
pa·limp·sest
ˈpa-ləm(p)-ˌsest
pə-ˈlim(p)-
1
: writing material (such as a parchment or tablet) used one or more times after earlier writing has been erased
2
: something having usually diverse layers or aspects apparent beneath the surface
Canada … is a palimpsest, an overlay of classes and generations.—Margaret Atwood
too short a time to get to know the palimpsest of Genevan societies, let alone those of Switzerland—George Steiner
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Merriam-Webster unabridged
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