Duma

... is a name that can be used for any Russian assembly with advisory or legislative functions. It's derived from a Russian word meaning to think or consider.

The first formally constituted duma was the State Duma introduced into the Russian Empire by Tsar Nicholas II in 1906. It was dissolved in 1917 during the Russian Revolution. Since 1993, the State Duma has been the lower legislative house of the Russian Federation.

'The duma' is an answer that probably should be accepted for this question.