Where does “duoc” come from?

duoc (Old Dutch) comes from Proto-Germanic dōkaz, from Proto-Indo-European dwōg-.

Ancestry of “duoc”, step by step

StepLanguageWordMeaning
1Proto-Germanicdōkazcloth, rag
2Proto-Indo-Europeandwōg-
Every word from Proto-Indo-European dwōg-Every word from Proto-Germanic dōkaz