Proto-Basque: *b=iɫhur̄
Meaning: 1 a binding or knot, made with branches or twigs 2 twist(ing), strap, binding 3 tangle of cords
Bizkaian: (Arratia, Orozko) bidur 2
High Navarrese: bidur 3
Low Navarrese: bilhur, billur 1
Lapurdian: billur 1
Baztanese: billur 1
Zuberoan: bǘllhür 1
Roncalese: bulur 1
Comments: Matches well with PNC *=VʎwE-, with a fossilized class prefix *b= and fossilized plural suffix *-r̄.
