scriptorium
Concise Oxford English Dictionary © 2008 Oxford University Press:
scriptorium /skrɪpˈtɔːrɪəm/
▶noun (pl. scriptoria /-rɪə/ or scriptoriums) chiefly historical a room set apart for writing, especially one in a monastery where manuscripts were copied.
– origin C18: from med. L., from L. script-, scribere ‘write’.
'scriptorium' also found in these Oxford entries:

