Pstovati
Pstovati is a nonstandard or dialectal form that appears as an informal variant of the Serbo-Croatian verb poštovati, meaning to respect, honor, or observe. In standard usage, the correct spelling is poštovati, and it is used across Bosnian, Croatian, Serbian, and Montenegrin varieties of the language. The form pstovati is not recognized as correct in formal writing and is typically described as a misspelling or nonstandard variant found in casual or online contexts.
Etymology and standard form: The verb poštovati is derived from the prefix po- combined with štovati (to
Usage and notes: In formal prose, official documents, and education, poštovati is used with the usual conjugations
See also: poštovati, poštovanje, respect, tradition.
In summary, pstovati is not an established standard form. It is best understood as a nonstandard variant