ventilate

What it means

1. To replace stale or noxious air with fresh.
2. To circulate air through a building, etc.
3. To provide with a vent.

In a sentence

"Well, I did my best. I had no hopes, and it has worked out as I thought. It is a pure waste of time." "Not at all," Malone answered. "It has ventilated an evil. There were reporters in court. Surely some of them have some sense. They will note the injustice."

1925 July – 1926 May, A[rthur] Conan Doyle, “(please specify the chapter number)”, in The Land of Mist (eBook no. 0601351h.html), Australia: Project Gutenberg Australia, published April 2019

Where it comes from

1. Proto-Indo-European*h₂weh₁-
2. Proto-Indo-European*h₂wḗh₁ti
3. Proto-Indo-European*h₂wéh₁n̥ts
4. Proto-Indo-European*h₂wéh₁n̥tos
5. Proto-Italic*wē̆ntos
6. Latinventus
7. Latinventulus
8. Latinventilō
9. Latinventilātus
10. Englishventilate

From Middle English, borrowed from Latin ventilātus, past participle of ventilō.