asumagado is incorrectly written and it should be written as "azumagado" being its meaning:
Probably is a transformation of azumacado and of zumacado, past participle of the verb zumacar which means tanning the skins with sumac ( rhus coriaria ) shrub native to Persia from the family of the anacardiaceas whose clustered, ground, and dry fruit with high content of tannins is used for coloring and tanning skins and also as a condiment and food coloring in many areas of the Mediterranean. The name sumac comes from Arabic summach and Eastern Aramaic ( language that, as they say, Christ ) spoke Sumak which means red. In Spain called it also adurion, aldebajin, sumac, sumagre, tano, tannery, zumaquera sumac...
Used in US as well