Where does “invertor” come from?

invertor (Latin) comes from Latin inverto, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

invertor (Latin): first-person singular present passive indicative...

Definitions

Step	Language	Word	Meaning
1	Latin	inverto	I turn upside-down, over or around, invert,...
2	Latin	īn-	un-, non-, not
3	Latin	în	in, at, on, upon, from (space)
4	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
5	Proto-Italic	en	in
6	Proto-Indo-European	h₁én	in