What is "antamayu"

Antamayu ( Quechua anta copper, mayu river, "copper river", hispanicized spelling Andamayo) or Capiza is a river in Peru located in the Arequipa Region, Castilla Province, in the districts Aplao and Tipan. Its direction is mainly to the south where it meets Colca River as a right affluent. The confluence is north of the village Antamayu (Andamayo).