LAT

Lewis Short

ŏpella (noun F) : dim.opera
* Little or light pains, labor, service (poet.): parva,Lucr. 1, 1114: forensis,Hor. Ep. 1, 7, 8.
Charlton T. Lewis, Charles Short, A Latin Dictionary

TLL

s. TLL
Thesaurus Linguae Latinae
memory