Meaning of PALIMPSEST in English

pal ‧ imp ‧ sest /ˈpæləmpsest, ˈpælɪmpsest/ BrE AmE noun [countable] technical

[ Date: 1600-1700 ; Language: Latin ; Origin: palimpsestus , from Greek , from palin 'again' + psen 'to rub' ]

an ancient document on which the original writing has been covered over with new writing

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.