дүүмэ (Buryat) comes from Russian ду́ма, from Old East Slavic дума, from Proto-Slavic duma, from Proto-Germanic dōmaz, from Proto-Indo-European dʰóh₁mos, from Proto-Indo-European dʰeh₁- — to do, put, place.
дүүмэ (Buryat): duma