Where does “primo” come from?

primo (Italian) comes from Latin primus, from Latin prismos, from Latin prisemos, from Proto-Italic priisemos, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

primo (Italian): first; initial; main, principal

Definitions

first; initial; main, principal

Ancestry of “primo”, step by step

Step	Language	Word	Meaning
1	Latin	primus	first
2	Latin	prismos	—
3	Latin	prisemos	—
4	Proto-Italic	priisemos	foremost, first
5	Proto-Indo-European	per-	before, in front; first; to go through
6	Proto-Indo-European	pr̥tós	passed , crossed

Words derived from “primo”

primi
prime

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Italic priisemos →