an Entity references as follows:
Tetum (Tetun [ˈt̪et̪un̪]; Indonesian: Bahasa Tetum; Portuguese: Tétum [ˈt̪ɛt̪ũ]) is an Austronesian language spoken on the island of Timor. It is spoken in Belu Regency in Indonesian West Timor, and across the border in East Timor, where it is one of the two official languages. There are two main forms of Tetum as a language: