Antigua: “Ancient”, corrected from earlier Antego,[22] a truncation of the Spanish Santa Maria la Antigua,[23] bestowed in 1493 by Christopher Columbus in honor of the Virgen de la Antigua (“Virgin of the Old Cathedral”[24]), a revered mid-14th-century icon in the Chapel of La Antigua in Seville Cathedral.[25]
https://en.wikipedia.org/wiki/List_of_country-name_etymologies
checks first few entries