So called from the river Moscowa, on which it is built.
The monarch of Moscow.
A large bell weighing 193 tons, 21 feet high, and 21 feet in
diameter. [So-and-So] was my Moscow.
The turning-point of my
good fortune, leading to future shoals and misery. The reference is to
Napoleon's disastrous expedition, when his star hastened to its
“Juan was my Moscow [the ruin of my reputation].” Byron: Don Juan, xi. 56.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894