srpsko
Srpsko is the neuter singular form of the adjective srpski in the Serbo-Croatian languages, including Serbian, Croatian, Bosnian, and Montenegrin. It is used to describe nouns that are neuter in gender and that are associated with Serbia or Serbs. In everyday usage, srpsko modifies neuter nouns to indicate Serbian origin or relation.
As a grammatical form, srpsko parallels srpski (masculine) and srpska (feminine). The full triad for adjectives
Usage notes: srpsko appears primarily as a descriptive modifier in phrases rather than as a standalone noun.