Dayak or Daya is a collection of various sub-ethnic Austronesian which is considered as indigenous people who inhabited the island of Borneo, more precisely, is a river in the present culture that is after the development of Islam in Borneo, the Dayak Cultural previously was nautical. Almost all names have a meaning as the Dayak as something related to the river, especially on family names and family names. As the name of the language of kinship Dayak Bidayuh, Bidayauh itself is origin of the word "Bi" which means "people" and Dayuh which means "upstream" so Bidayuh means "upstream". Ot Danum designation derived from their own language of origin of the word "Ot" meaning the upstream and Danum which means "water" so Ot Danum means Upstreeam Water (river), that is, people who live in the uplands.