Where does “investigo” come from?

investigo (Portuguese) comes from Portuguese investigar, from Latin investigo, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

investigo (Portuguese): first-person singular present indicative of...

Definitions

first-person singular present indicative of...

Ancestry of “investigo”, step by step

Step	Language	Word	Meaning
1	Portuguese	investigar	to research; to investigate
2	Latin	investigo	I track or trace out, search into, investigate
3	Latin	īn-	un-, non-, not
4	Latin	în	in, at, on, upon, from (space)
5	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
6	Proto-Italic	en	in
7	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →