This is the 8th most frequent Serbian word.
до
"До" in Serbian means "to," "until," or "up to."
Here, 'до' is used as a preposition indicating destination or endpoint.
Идем до продавнице.
I am going to the store.
In this case, 'до' signifies a point in time or limit.
До следећег пута, видимо се!
Until next time, see you!
Here, 'до' illustrates a spatial limit or boundary between two points.