Is Tuesday named for a one-handed god?
from French Moscovie, from Modern Latin Moscovia, old name of Russia, from Russian Moskova "(Principality of) Moscow." In Muscovy duck (1650s) and certain other uses it is a corruption of musk. Related: Muscovite.
medieval principality that, under the leadership of a branch of the Rurik dynasty, was transformed from a small settlement in the Rostov-Suzdal principality into the dominant political unit in northeastern Russia