παλίμψηστος

ον, Subst., τό

ψάω

A. scraped again, βιβλίον π. palimpsest, Plu. 2.779c: ‐ψηστον,τό, as Subst., ib.504d, cf. Catull.22.5, Cic. Fam. 7.18.2.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project