Where does “Earth-grazing” come from?

Earth-grazing (English) comes from English Earth, from Middle English erthe, from Old English eorþe, from Proto-West Germanic erþu, from Proto-Germanic erþō, from Proto-Indo-European h₁er- — earth.

Earth-grazing (English): Of a meteoroid: entering the Earth's atmosphere...

Definitions

  1. Of a meteoroid: entering the Earth's atmosphere...

Ancestry of “Earth-grazing”, step by step

Earth-grazing traces back through two separate lines of ancestry.

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

via English grazing

StepLanguageWordMeaning
1Englishgrazingpresent participle of graze; Grazeland; The...
Every word from Proto-Indo-European h₁er-Every word from Proto-Germanic erþōEvery word from Proto-West Germanic erþu