This is the 6th most frequent Indonesian word.
tersebut
"That" or "aforementioned."
'tersebut' is used to specify a previously mentioned or known book.
Buku tersebut adalah milik saya.
That book belongs to me.
'tersebut' is used to refer to a specific event discussed earlier or known by context.
Dia menghadiri acara tersebut kemarin.
He attended that event yesterday.
'tersebut' emphasizes a particular problem that has been introduced or is understood from the situation.