Where does “spacelegs” come from?

spacelegs (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.

spacelegs (English): The ability to work confidently in space, or a...

Definitions

  1. The ability to work confidently in space, or a...

Ancestry of “spacelegs”, step by step

spacelegs 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 legs

StepLanguageWordMeaning
1Englishlegsplural of leg; eleven; viscous streaks left on...
2EnglishlegA limb or appendage that an animal uses for...
3Middle Englishlegleg, limb; shank, shin; leg
4Old Norseleggrleg, stem
5Proto-Germaniclagjazleg, thigh
6Proto-Indo-European(ǝ)lak-
Every word from Proto-Indo-European speh₁-Every word from Proto-Indo-European spéh₁-Every word from Latin spatium