Serbo-Croatian prvi

← Proto-Balto-Slavic *pírʔwas (derived)

← Proto-Indo-European *prH-uo- (derived)

← Proto-Slavic *pьrvъ (inherited)

→ Istro-Romanian prvi (borrowed)

→ Serbo-Croatian prvenac (suffix)

→ Serbo-Croatian prvijenac (suffix)

→ Slavomolisano prvidan (mention)