Name of Argentina "equivalent and valid" denominations. Then on October 8, 1860, President Santiago Derqui decreed the official name to be República Argentina. In common speech, the country is referred to as "la Argentina" (the Argentine) in Spanish, bypassing the noun in any of the above expressions ("the Argentine [land]", "the Argentine [Republic]", etc.). Name of Argentina The name of Argentina (a Spanish adjective meaning "silvery"), traditionally called the Argentine in English, is ultimately derived from the Latin "argentum" "silver" and the feminine of the adjectival suffix -īnus, the Latin "argentum" has its origin from the ancient Greek-Hellenic word "argyro(s)", άργυρο(ς) meaning silver.
Name of Poland Polish "Polska" In Latin, which was the principal written language of the Middle Ages, the exonym for Poland became "Polonia". It later became the basis for Poland's name in all Romance languages: Many other languages (e.g. Albanian "Polonia"; Greek Πολωνία, "Polōnía"; Maltese "Polonja") use a variation of the Latin name. Germans, Poland's western neighbors, called it "Polen". Other Germanic languages use related exonyms: Non-Germanic languages which borrowed their word for Poland from Germanic include: The Lendians, a Proto-Polish tribe who lived around the confluence of the rivers Vistula and San (south-eastern Poland), have often misleadingly been associated as the source