This is the 10223rd most frequent Russian word.
блеском
"Блеском" means "brilliance" or "shine" in English.
Here, 'блеском' is used metaphorically to describe excellence in quality or execution.
Девушка подготовила проект с блеском.
The girl prepared the project splendidly.
In this sentence, 'блеском' refers to the literal shine or luster of the object.
Сияющий бокал сверкал на солнце блеском.
The shining glass gleamed with a shine in the sun.
'Блеском' here conveys a manner of impressive or outstanding presentation.