Passage: The Mantaro River (Spanish: Río Mantaro, Quechua: Hatunmayu) is a long river running through the central region of Peru. Its Quechua name means "great river". The word "Mantaro" may be a word originally from the Ashaninka language, who live downstream along the Ene River. The Mantaro, along with the Apurimac River, are the sources of the Amazon River, depending on the criteria used for definition.

Question: What is the Quechua word for "great river"?
Hatunmayu