opisthograph
noun
opis·tho·graph
əˈpisthəˌgraf
: an ancient manuscript or tablet written or inscribed upon both the back and the front
opisthographic adjective
⸗¦⸗⸗¦grafik
or opisthographical
-fə̇kəl
opisthography noun
ˌäpəsˈthägrəfē
plural -es
Word History
Etymology
Latin opisthographus written on the back, from Greek opisthographos, from opisth- + -graphos -graph