Where does “duïs” come from?

duïs (Proto-Brythonic) comes from Latin densus, from Proto-Indo-European dens- — to teach; thick, dense.

Ancestry of “duïs”, step by step

StepLanguageWordMeaning
1Latindensusdense, compact; crowded, close; frequent
2Proto-Indo-Europeandens-to teach; thick, dense
Every word from Proto-Indo-European dens- →Every word from Latin densus →
duïs — Etymology, Origin & Word History | Etymology Explorer