Kornet
(fr. cornette) – cornette; a stiff head covering formed in a structure resembling horns, worn by women and nuns since the Middle Ages. In the 18th century, it evolved to a tall, lace-trimmed headwear that exposed some hair.
Source: National Archives in Krakow, Archives of the Sanguszko family, ref. no. 1231, p. 47, Regestr kornetów Dobrodziejki spisany 1730 r.
See also: B. Popiołek, Z poczucia piękna, z potrzeby posiadania. Kobiecy świat rzeczy w osiemnastowiecznej Rzeczypospolitej, Warsaw 2024.