This is the 6737th most frequent Catalan word.
sioux
"Sioux" in Catalan refers to the Native American tribes collectively known as the Sioux.
In this sentence, 'sioux' is used as a proper noun referring to the indigenous people of North America.
El poble sioux vivia a les planes d'Amèrica del Nord.
The Sioux people lived on the plains of North America.
Here, 'sioux' is used as an adjective describing the culture related to the Sioux people.
Vaig comprar un llibre sobre la cultura sioux.
I bought a book about Sioux culture.
In this sentence, 'Sioux' is referenced as the origin or linguistic term related to the French language.