megalography

The room was decorated with magnificent megalography, overwhelming the viewer upon entrance.

What were, in short, these astonishing decorators of all sorts, lavishing frescoes, ceilings, and that historical megalography which surprises us even now by its boldness and breadth?

The Pompeian houses are usually small; the space which the architect gave over to the painter was not, as a rule, of great extent, and was little suited for what the Greeks styled "megalography."