Where does “ventless” come from?

ventless (English) comes from English vent, from French éventer, from Vulgar Latin *exventāre, from Latin ventus, from Proto-Italic wentos, from Proto-Indo-European h₂wéh₁n̥ts, from Proto-Indo-European h₂wḗh₁ti, from Proto-Indo-European h₂weh₁- — to blow.

ventless (English): Without a vent or vents

Definitions

  1. Without a vent or vents

Ancestry of “ventless”, step by step

ventless traces back through two separate lines of ancestry.

via English vent

StepLanguageWordMeaning
1EnglishventAn opening through which gases, especially air,...
2Frenchéventerto air, ventilate; to fan; to expose to the wind
3Vulgar Latin*exventāre
4Latinventusa wind; arrival
5Proto-Italicwentoswind
6Proto-Indo-Europeanh₂wéh₁n̥tsblowing; that which blows; the wind, air
7Proto-Indo-Europeanh₂wḗh₁tito blow
8Proto-Indo-Europeanh₂weh₁-to blow

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European h₂weh₁-