postojati

Etymology
(old form of modern stàjati : stòjīm "to stand") with lengthening of the prefix syllable and subsequent accent shift (po- + stòjati > postòjati > póstojati) among some speakers due to the fact that prefixation does not entail perfectivization.

The formation was possibly influenced by.

Verb

 * 1)  to be, exist
 * Bog postoji - God exists