Where does “duuba” come from?

duuba (Ingrian) comes from Russian дуб, from Proto-Slavic dǫbъ, from Proto-Indo-European dʰanw-.

Ancestry of “duuba”, step by step

StepLanguageWordMeaning
1Russianдубoak; tan, bark of an oak or other tree used to...
2Proto-Slavicdǫbъoak tree; oak
3Proto-Indo-Europeandʰanw-—
Every word from Proto-Indo-European dʰanw- →Every word from Proto-Slavic dǫbъ →Every word from Russian дуб →