Where does “prvenstvo” come from?

prvenstvo (Serbo-Croatian) comes from Serbo-Croatian pr̀vī, from Proto-Slavic pьrvъ, from Proto-Balto-Slavic pírˀwas, from Proto-Indo-European pr̥h₂wós, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

prvenstvo (Serbo-Croatian): championship; seniority, precedence; primacy,...

Definitions

championship; seniority, precedence; primacy,...

Ancestry of “prvenstvo”, step by step

Step	Language	Word	Meaning
1	Serbo-Croatian	pr̀vī	first; the first
2	Proto-Slavic	pьrvъ	first
3	Proto-Balto-Slavic	pírˀwas	—
4	Proto-Indo-European	pr̥h₂wós	first
5	Proto-Indo-European	per-	before, in front; first; to go through
6	Proto-Indo-European	pr̥tós	passed , crossed

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European pr̥h₂wós →