Where does “nonventilation” come from?

nonventilation (English) comes from English ventilation, from Middle French ventilation, from Old French ventilacion, from Late Latin ventilatio, from Latin ventilō, from Latin ventus, from Proto-Italic wentos, from Proto-Indo-European h₂wéh₁n̥ts — to blow.

nonventilation (English): Absence of ventilation; failure to ventilate

Definitions

  1. Absence of ventilation; failure to ventilate

Ancestry of “nonventilation”, step by step

nonventilation traces back through two separate lines of ancestry.

via English ventilation

StepLanguageWordMeaning
1EnglishventilationThe replacement of stale or noxious air with...
2Middle Frenchventilation
3Old Frenchventilacion
4Late Latinventilatioairing; ventilation
5Latinventilōto toss, swing, brandish in the air
6Latinventusa wind; arrival
7Proto-Italicwentoswind
8Proto-Indo-Europeanh₂wéh₁n̥tsblowing; that which blows; the wind, air
9Proto-Indo-Europeanh₂wḗh₁tito blow
10Proto-Indo-Europeanh₂weh₁-to blow

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 h₂weh₁-
nonventilation — Etymology, Origin & Word History | Etymology Explorer