Principal English Translation:
a variable measure of weight; in kilograms today in Spain, between 11.5 and 12.5 kg. (see attestations)
Attestations from sources in English:
Arroba. lo mesmo (Molina 1992, I: 14r). Arroba, the same. [vocabulary (VM 1); time range: 1571]
Loans in Colonial and Modern Nahuatl, eds. Agnieszka Brylak, Julia Madajczak, Justyna Olko, and John Sullivan, Trends in Linguistics Documentation 35 (Berlin: De Gruyter, 2020), 87.
Attestations from sources in Spanish:
huetzintli media arova mocohuaz ybino ynoca monequiz chicuacen pesus = y se dé de limosna media arroba de vino y seis pesos (San Juan Teotihuacan, 1563)
Vidas y bienes olvidados: Testamentos indígenas novohispanos, vol. 2, Testamentos en náhuatl y castellano del siglo XVIfmea, eds., Teresa Rojas Rabiela, Elsa Leticia Rea López, Constantino Medina Lima (Mexico: Consejo Nacional de Ciencias Tecnología, 1999), 134–135.