Where does “drucno” come from?
drucno (Dalmatian) comes from Latin duracinus, from Latin dūrus, from Proto-Italic dūros, from Proto-Indo-European duh₂-ró-s, from Proto-Indo-European dweh₂- — far; long.
drucno (Dalmatian): clingstone grape
Ancestry of “drucno”, step by step