Origin: 1865–70; < Russ, ORuss dúma assembly, council (an early homonym with dúma thought); c. Bulg dúma word, Slovak duma meditation; Slav *dum- prob. < Goth dōms judgment (see doom)
Rus. national assembly, 1870 (in reference to city councils; the national one was set up in 1905), lit. "thought," from a Gmc. source (cf. Goth. doms "judgment," Eng. doom, deem).