Lewis Short
grăphĭum (noun N) = γραφίον: (pure Lat. scriptorium, Isid. 6, 9, 2)
* A writingstyle, Ov. Am. 1, 11, 23; Sen. Clem. 1, 14; Plin. 16, 38, 73, § 184; Suet. Caes. 82; id. Calig. 28; id. Claud. 15.
Charlton T. Lewis, Charles Short, A Latin Dictionary