Where does “duro” come from?

duro (Old Spanish) comes from Latin dūrus, from Proto-Italic dūros, from Proto-Indo-European duh₂-ró-s, from Proto-Indo-European dweh₂- — far; long.

Ancestry of “duro”, step by step

StepLanguageWordMeaning
1Latindūrus—
2Proto-Italicdūros—
3Proto-Indo-Europeanduh₂-ró-slong, far
4Proto-Indo-Europeandweh₂-far; long

Words derived from “duro”

Every word from Proto-Indo-European dweh₂- →Every word from Proto-Indo-European duh₂-ró-s →Every word from Proto-Italic dūros →
duro — Etymology, Origin & Word History | Etymology Explorer