Where does “Demby” come from?

Demby (Polish) comes from Polish Dąb, from Old Polish dąb, from Proto-Slavic dǫbъ, from Proto-Indo-European dʰanw-.

Ancestry of “Demby”, step by step

StepLanguageWordMeaning
1PolishDąboak, oak tree
2Old Polishdąb—
3Proto-Slavicdǫbъoak tree; oak
4Proto-Indo-Europeandʰanw-—
Every word from Proto-Indo-European dʰanw- →Every word from Proto-Slavic dǫbъ →Every word from Old Polish dąb →