Tetum (Tetun [ˈt̪et̪un̪] ; Indonesian: Bahasa Tetun; Portuguese: Tétum [ˈtɛtũ]) is an Austronesian language spoken on the island of Timor. It is one of the official languages of Timor-Leste and it is also spoken in Belu Regency and Malaka Regency, which form the eastern part of Indonesian West Timor adjoining Timor-Leste.
There are two main forms of Tetum as a language: