Where does “near space” come from?

near space (English) comes from English space, from Middle English space, from Old French espace, from Latin spatium, from Proto-Indo-European spéh₁-, from Proto-Indo-European speh₁- — to succeed, to prosper.

near space (English): A region of the Earth's (or another planet's) atmosphere or exosphere which is near outer space

Definitions

  1. A region of the Earth's (or another planet's) atmosphere or exosphere which is near outer space

Ancestry of “near space”, step by step

near space traces back through two separate lines of ancestry.

via English space

StepLanguageWordMeaning
1Englishspace"Of time."; "Unlimited or generalized extent,...
2Middle Englishspace
3Old Frenchespacespace; room; duration
4LatinspatiumSpace, room, extent; Distance between points; A...
5Proto-Indo-Europeanspéh₁-to succeed, to prosper
6Proto-Indo-Europeanspeh₁-to succeed, to prosper

via English near

StepLanguageWordMeaning
1EnglishnearPhysically close; Close in time; Closely...
2Middle Englishnerekidney; near; weren't
3Middle Low Germannēre
4Proto-West Germanic*neurō
5Proto-Germanicneurôkidney; testicle
6Proto-Indo-Europeannegʷʰróskidney
Every word from Proto-Indo-European speh₁-