Where does “adventura” come from?

adventura (Vulgar Latin) comes from Late Latin adventurus, from Latin adventus, from Latin adveniō, from Latin ad-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en — in.

Ancestry of “adventura”, step by step

adventura traces back through two separate lines of ancestry.

via Late Latin adventurus

Step	Language	Word	Meaning
1	Late Latin	adventurus	adventure; about to arrive; an adventure
2	Latin	adventus	arrival, approach, advent; Advent
3	Latin	adveniō	to come to, to arrive
4	Latin	ad-	to; usually prefixed to verbs, in which cases it...
5	Latin	īn-	un-, non-, not
6	Latin	în	in, at, on, upon, from (space)
7	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
8	Proto-Italic	en	in
9	Proto-Indo-European	h₁én	in

via Classical Latin adventūrus

Step	Language	Word	Meaning
1	Classical Latin	adventūrus	—
2	Latin	advenīre	—
3	Latin	venīre	—

Words derived from “adventura”

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Latin ad- →