According to other theories, it may be a compound word from the Quechua word "anta" (meaning "copper") and "Pakay" (meaning "hidden"), being a toponymy meaning "Copper Cache"; it could also be related to the Chango language, "Antofagasti" (meaning "Sun Gate"), what the changos called the current natural monument "La Portada". However, it says the name Antofagasta is due to a decision by Manuel Mariano Melgarejo, who renamed the city in honor of a stay that he had in Antofagasta de la Sierra, in 1870.