ðə mˈoʊst lˈaɪkli ɪz ðætðə nˈeɪm dᵻɹˈaɪvz fɹʌmðə lˈætɪn mˈɑːnz ˈɔːɹɪəs ɡˈoʊldən mˈaʊntɪn, ɹᵻfˈɜːɹɪŋ tə ðə plˈeɪnz sɚɹˈaʊndɪŋ ðə tˈaʊn ðæt wɜː wˈʌns kˈʌvɚd ɪn ɐ lʌɡʒˈʊɹɹiəs ˈoʊpən ɛkspˈænsᵻz ʌv ɡˈoʊldən ɡɹˈeɪnz.
The most likely is that the name derives from the Latin Mons Aureus (Golden Mountain), referring to the plains surrounding the town that were once covered in a luxurious open expanses of golden grains.