əˈpisthəˌgraf noun
Etymology: Latin opisthographus written on the back, from Greek opisthographos, from opisth- + -graphos -graph
: an ancient manuscript or tablet written or inscribed upon both the back and the front
• opis·tho·graph·ic ̷ ̷| ̷ ̷ ̷ ̷|grafik or opis·tho·graph·i·cal -fə̇kəl adjective
• op·is·thog·ra·phy ˌäpəsˈthägrəfē noun -es