Lewis Short
stŭdĭŏlum (noun N) : dim.studium. *
* A little study, a little piece of composition, M. Aurel. ap. Front. Ep. ad M. Caes. 5.
* A little study, i. e. a little room or closet to study in, Inscr. Murat. 937, 13.
Charlton T. Lewis, Charles Short, A Latin Dictionary