13th cent. From Vulgar Latin *barra 'id.'
Of unknown origin.
The word is the origin behind Barra, the name of villages in Galicia and Asturias. Also the origin of the surname de la Barra.
Asturian barra, Portuguese barra, Galician barra, Catalan barra, French barre, Italian barra, Romanian bară
Basque marra "line" (borrowed from Vulgar Latin)