This is the 785th most frequent Serbian word.
истом
The Serbian word "истом" means "the same" (dative or instrumental form).
The word 'истом' specifies that the restaurant where they met is 'the same' as the one they met in before.
Сретосмо се у истом ресторану као и некад.
We met in the same restaurant as before.
Here, 'истом' indicates that the tasks are being solved on one specific sheet of paper shared or being referred to among us.
Решавамо задатке на истом листу папира.
We are solving tasks on the same sheet of paper.
In this example, 'истом' describes the timing, referring to a particular moment that is shared or distinctively the same as some referenced or implied context.