"Tabaguache" means "People of Sun Mountain," from "Tava" meaning "sun." (Wikipedia)
Mt.Tabeguache Peak is one of the fourteeners of the USA state of Colorado. It is a near neighbor of the higher peak Mount Shavano, which lies approximately 1/2 mile (approximately 1 km) to the southeast, and is close to being a subpeak of the latter. According to William Bright, an American Linguist specialized in Native American and South Asian languages and descriptive linguistics, it is pronounced "TAB-uh-wahch." According to Mountaineer Louis Dawson the name is pronounced "tab-uh-wash," with the accent on the first syllable. It lies just east of the Continental Divide and just west of the Arkansas River, in the south-central part of the Sawatch Range. It is located within the San Isabel National Forest and is in Chaffee County.