This is the 883rd most frequent Serbian word.
пошто
The Serbian word "пошто" can mean "since," "because," or "how much" (depending on context).
Here, 'пошто' is used colloquially to ask for the cost of something, meaning 'it costs' in this context.
Колико кошта ова књига? — Пошто је 500 динара.
How much does this book cost? — It costs 500 dinars.
In this usage, 'пошто' serves as a conjunction meaning 'after,' indicating a sequence of events.
Пошто сам се вратио кући, одмах сам легао да спавам.
After I returned home, I went straight to sleep.
In this sentence, 'пошто' is used as a conjunction meaning 'since' to indicate a cause-and-effect relationship.