It is a word in Cayambi which means red (color). Pillku is also used.
Pillku, pillqo, mean nuanced of various colors, but there is one predominant. . It is black in the background and also has many other colors. It is also a surname.
I pilco, Pilku is incorrectly written, and it should be written as "I pilco" being its meaning: pilco: chopped corn added to porotos granados, Chilean food.