Where does “intrusio” come from?

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

Ancestry of “intrusio”, step by step

StepLanguageWordMeaning
1Latinintrudoto thrust in, force in
2Latinīn-un-, non-, not
3Latinînin, at, on, upon, from (space)
4Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
5Proto-Italicenin
6Proto-Indo-Europeanh₁énin

Words derived from “intrusio”

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