Where does “earthshine” come from?

earthshine (English) comes from English shine, from Middle English shinen, from Old English sċīnan, from Proto-West Germanic skīnan, from Proto-Germanic skīnaną, from Proto-Indo-European (s)ḱeh₁y- — to shine, shimmer.

earthshine (English): Reflected earthlight visible on the Moon's night...

Definitions

  1. Reflected earthlight visible on the Moon's night...

Ancestry of “earthshine”, step by step

earthshine traces back through two separate lines of ancestry.

via English shine

StepLanguageWordMeaning
1EnglishshineTo emit light; To reflect light; To distinguish...
2Middle EnglishshinenAlternative form of schinen
3Old Englishsċīnanto shine
4Proto-West Germanicskīnanto shine; to appear
5Proto-Germanicskīnanąto shine; to appear
6Proto-Indo-European(s)ḱeh₁y-to shine, shimmer

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 (s)ḱeh₁y-Every word from Proto-Germanic skīnanąEvery word from Proto-West Germanic skīnan