1660s, from Fr. brunette (masc. brunet), from O.Fr. brunet "brownish, brown-haired, dark-complexioned," fem. dim. of brun "brown" (12c.), of W.Gmc. origin (see
brown). The metathesized form, O.Fr. burnete, is the source of the surname Burnett. Burnete also was used of a wool-dyed