Traditional Interpretation: The name "Uruguay" has long been romantically interpreted as "river of painted birds" (río de los pájaros pintados).
Recent Research: Linguists Yliana Rodríguez and Adolfo Elizaincín challenge this interpretation.
Their research points to two possible Guaraní origins: "river of the urú" (río del urú) or "river of the snails" (río de los caracoles).
Guaraní Roots: "ï" in Guaraní means "water" or "river."
"urú gua ï" could mean "river of the land where the urú lives" or "river of the urú."
"urugua ï" could mean "river of the snails".
The Urú Bird: The urú is a partridge-like bird (Odontophorus capueira), but it's not found in present-day Uruguay.
The Giant Snail: The Pomacea megastoma, a large freshwater snail, is common in the Uruguay River.
Archaeological evidence supports the possibility that Guaraní people used these snails for food and crafts. 

Montevideo, Uruguay – The romantic notion of the "river of painted birds" as the origin of the name "Uruguay" has been challenged by new linguistic research, revealing a deeper, more complex history rooted in Guaraní language and culture.

For generations, the image of vividly colored birds adorning the Uruguay River has captured the imagination of Uruguayans. However, a recent study by linguists Yliana Rodríguez and Adolfo Elizaincín dismantles this long-held belief, proposing alternative origins that delve into the practical and animal-centric naming conventions of the Guaraní people.

The research focuses on two compelling hypotheses: "river of the urú" and "river of the snails." In Guaraní, "ï" signifies "water" or "river," a fundamental element in the name "Uruguay." The term "urú gua ï" could be interpreted as "river of the land where the urú lives," referring to a partridge-like bird that, while not currently found in Uruguay, may have inhabited the region in the past. Alternatively, "urugua ï" suggests "river of the snails," likely referring to the abundant Pomacea megastoma, a giant freshwater snail that thrives in the Uruguay River.

The "river of painted birds" interpretation, the researchers argue, is likely a romanticized misconception stemming from literary works. In contrast, the urú and snail hypotheses align with the Guaraní practice of naming places based on observable features and animal life.

This linguistic exploration extends beyond mere etymology, delving into the core of Uruguayan identity. The ambiguity surrounding the nation's name mirrors a broader struggle to define its identity, a blend of indigenous heritage and European influence.

While the precise origin of "Uruguay" may remain elusive, this research offers a more nuanced understanding of the nation's roots, replacing a romantic myth with a tangible connection to the region's natural history and indigenous culture.