Question: From what Tehuelche word does the name of the province where Bahía Bustamante is located derive from?

Context paragraphs:
Bahía de Caráquez: Bahía de Caráquez, officially known as San Antonio de Caraquez and founded under the name of Villa de San Antonio de la Bahía de Caráquez or simply known today as Bahía, formerly called Bahía de los Caras during the period of the Spanish conquest, is a coastal city belonging to the Sucre county, in the Ecuadorian province of Manabí.  The city is located on a sandy peninsula on the country's western coast at the mouth of the Río Chone and has considerable tourism infrastructure that positions it as the main regional town.  It has seen significant development during the last 15 to 20 years, particularly because it has become a vacation destination for people from Quito and Guayaquil.  The city is located one hour north of the city of Manta and in the pre-Columbian era was host to the ancient Indian city of Caran.  Across the bay is the town of San Vicente.

Chubut River: The Chubut River (Spanish: "Río Chubut" , Welsh: "Afon Camwy" ) is located in the Patagonia region of southern Argentina.  Its name comes from the Tehuelche word "chupat", which means "transparent".  The Argentine Chubut Province, through which the river flows, is named after it.  Welsh settlers called the river "Afon Camwy," meaning "twisting river" in English.

El Tehuelche Airport: El Tehuelche Airport (Spanish: "Aeropuerto El Tehuelche" ) (IATA: PMY, ICAO: SAVY) is an airport located about 10 km northwest of downtown Puerto Madryn, in the province of Chubut, Argentina.

Greater Bahía Blanca: Gran Bahía Blanca (Greater Bahía Blanca) is the name given to the large urban conurbation around the city of Bahía Blanca in Buenos Aires Province, Argentina.  The 2001 Census estimated the population of Gran Bahía Blanca as 274,509 making it the 17th largest urban conurbation in Argentina.

Bahía Bustamante: Bahía Bustamante is a village and municipality in the Escalante Department of the Chubut Province in southern Argentina.  The village was established in 1953.  It is located 180 km north of Comodoro Rivadavia and 250 km south of Trelew.

Bahía de Cádiz Natural Park: Bahía de Cádiz Natural Park (Parque Natural de la Bahía de Cádiz) is a 10522 ha natural park located in the province of Cádiz (Andalusia, Spain).  It was established in 1989.

Bahía Blanca Sud railway station: Bahía Blanca Sud (English: Bahía Blanca South) is a railway station of the Argentine rail network, part of the General Roca Railway.  Originally built and operated by the Buenos Aires Great Southern Railway, it is located in the city of Bahía Blanca, Buenos Aires Province.  In November 2014 the station was declared National Historical Monument by the Argentine government.

Liniers de Bahía Blanca: Club Atlético Liniers, also known as Liniers de Bahía Blanca is an Argentine Football club, located in Bahía Blanca, in the Province of Buenos Aires.  The team currently plays in Zone E of the regionalised 4th level of Argentinian football Torneo Argentino B.

Bahía Mansa: Bahía Mansa is a settlement and bay located at coast of Osorno Province, southern Chile.  It is the main port between Corral Bay and Maullín River and the only port of Osorno Province.  The town's economy revolves around tourism and fishing.  Bahía Mansa is the namesake of the Bahía Mansa Metamorphic Complex.

Chubut Province: Chubut (Welsh: "Talaith Chubut" ; Spanish: "Provincia del Chubut" ] ) is a province in southern Argentina, situated between the 42nd parallel south (the border with Río Negro Province), the 46th parallel south (bordering Santa Cruz Province), the Andes range to the west, and the Atlantic ocean to the east.  The province's name derives from the Tehuelche word "chupat", meaning "transparent," their description of the Chubut River.

Supporting paragraphs: Bahía Bustamante Chubut Province
Answer: chupat