pa·limp·sest 
/ˈpæləmpˌsɛst/ noun
plural pa·limp·sests /ˈpæləmpˌsɛst/ noun [count] 1 technical : a very old document on which the original writing has been erased and replaced with new writing 2 formal : something that has changed over time and shows evidence of that change
▪ The ancient city is an architectural palimpsest. ▪ a palimpsest of memories
▪ The ancient city is an architectural palimpsest. ▪ a palimpsest of memories
