Alternate Names: East Sumba, East Sumbanese, Hilu Humba, Humba, Oost-Sumbaas, Sumba, Sumbanese
Dialects: Kambera, Kanatang, Lewa, Mangili-Waijelo (Rindi, Wai Jilu, Waidjelu, Waijelo), Melolo, Southern Sumba, Uma Ratu Nggai (Umbu Ratu Nggai). Dialect network. Kambera dialect is widely understood. Lewa and Uma Ratu Nggai dialects have difficulty understanding those from Mangili.
Genealogy:
Demographics: 240,000 (2009).
Language Development: Dictionary. Grammar. Bible: 1995.
Writing System: Latin
Nation of Origin: Indonesia
Other Comments: Christian, traditional religion.