Where does “nonintrusion” come from?

nonintrusion (English) comes from English intrusion, from Old French intrusion, from Latin intrusio, from Latin intrudo, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en — in.

nonintrusion (English): Absence of, or freedom from, intrusion;...

Definitions

  1. Absence of, or freedom from, intrusion;...

Ancestry of “nonintrusion”, step by step

nonintrusion traces back through two separate lines of ancestry.

via English intrusion

StepLanguageWordMeaning
1EnglishintrusionThe forcible inclusion or entry of an external...
2Old Frenchintrusion
3Latinintrusio
4Latinintrudoto thrust in, force in
5Latinīn-un-, non-, not
6Latinînin, at, on, upon, from (space)
7Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Proto-Italic en