Where does “cosmic event horizon” come from?

cosmic event horizon (English) comes from English cosmic, from Latin cosmicus, from Ancient Greek κοσμικός, from Ancient Greek κόσμος, from Ancient Greek θέσις, from Ancient Greek τίθημι, from Proto-Indo-European dʰeh₁- — to do, put, place.

cosmic event horizon (English): The cosmological horizon; the edge of the observable universe

Definitions

  1. The cosmological horizon; the edge of the observable universe

Ancestry of “cosmic event horizon”, step by step

cosmic event horizon traces back through two separate lines of ancestry.

via English cosmic

StepLanguageWordMeaning
1EnglishcosmicOf or from or pertaining to the cosmos or...
2Latincosmicusmundane; fashionable; cosmopolitan
3Ancient Greekκοσμικόςwordly
4Ancient Greekκόσμοςorder; lawful order, government; mode, fashion
5Ancient Greekθέσιςa setting, placement, arrangement; deposit;...
6Ancient GreekτίθημιI put, place, set; I make, cause to be; I make
7Proto-Indo-Europeandʰeh₁-to do, put, place

via English event horizon

StepLanguageWordMeaning
1Englishevent horizonThe gravitational sphere of a black hole within which the escape velocity is greater than the speed of light
Every word from Proto-Indo-European dʰeh₁-Every word from Ancient Greek τίθημιEvery word from Ancient Greek θέσις
cosmic event horizon — Etymology, Origin & Word History | Etymology Explorer