Where does “earthrise” come from?

earthrise (English) comes from English rise, from Middle English risen, from Old English rīsan, from Proto-West Germanic *rīsan, from Proto-Germanic rīsaną, from Proto-Indo-European h₁rey- — to arise, arise; to rise, arise; to rise; arise.

earthrise (English): The time of "day" when the Earth begins to rise...

Definitions

  1. The time of "day" when the Earth begins to rise...

Ancestry of “earthrise”, step by step

earthrise traces back through two separate lines of ancestry.

via English rise

StepLanguageWordMeaning
1EnglishriseTo move, or appear to move, physically upwards...
2Middle Englishrisento rise
3Old Englishrīsanto rise; to seize, carry off
4Proto-West Germanic*rīsanto scale; move vertically (either up or down)
5Proto-Germanicrīsanąto scale; move vertically; to rise
6Proto-Indo-Europeanh₁rey-to arise, arise; to rise, arise; to rise; arise

via English Earth

StepLanguageWordMeaning
1EnglishEarthThe third planet of the Solar System; the world upon which humans live
2Middle EnglishertheEarth; the world; The Earth's people or...
3Old Englisheorþeground; the planet Earth; dirt
4Proto-West Germanicerþuearth, world; earth, soil
5Proto-Germanicerþōearth
6Proto-Indo-Europeanh₁er-earth
Every word from Proto-Indo-European h₁rey-Every word from Proto-Germanic rīsanąEvery word from Proto-West Germanic *rīsan