Where does “fissure vent” come from?

fissure vent (English) comes from English fissure, from Middle English fissure, from Old French fissure, from Latin fissura, from Latin findō, from Proto-Italic findō, from Proto-Indo-European bʰeyd-, from Proto-Indo-European bʰey- — bee.

fissure vent (English): A volcanic vent from which lava flows, with minimal explosive activity; characteristic of shield volcanoes

Definitions

  1. A volcanic vent from which lava flows, with minimal explosive activity; characteristic of shield volcanoes

Ancestry of “fissure vent”, step by step

fissure vent traces back through two separate lines of ancestry.

via English fissure

StepLanguageWordMeaning
1EnglishfissureA crack or opening, as in a rock; A groove, deep...
2Middle Englishfissurefissure, rupture
3Old Frenchfissure
4Latinfissurafissure, cleft; nominative feminine singular of...
5Latinfindōto cleave, break up, separate, divide, split, part
6Proto-Italicfindōsplit, cleave
7Proto-Indo-Europeanbʰeyd-to split
8Proto-Indo-Europeanbʰey-bee

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
Every word from Proto-Indo-European bʰey-
fissure vent — Etymology, Origin & Word History | Etymology Explorer