Where does “spaceworthiness” come from?

spaceworthiness (English) comes from English spaceworthy, 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.

spaceworthiness (English): The state or condition of being spaceworthy

Definitions

  1. The state or condition of being spaceworthy

Ancestry of “spaceworthiness”, step by step

spaceworthiness traces back through two separate lines of ancestry.

via English spaceworthy

StepLanguageWordMeaning
1EnglishspaceworthySuitable for a launch into, or travel through,...
2Englishspace"Of time."; "Unlimited or generalized extent,...
3Middle Englishspace
4Old Frenchespacespace; room; duration
5LatinspatiumSpace, room, extent; Distance between points; A...
6Proto-Indo-Europeanspéh₁-to succeed, to prosper
7Proto-Indo-Europeanspeh₁-to succeed, to prosper

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European speh₁-Every word from Proto-Indo-European spéh₁-Every word from Latin spatium
spaceworthiness — Etymology, Origin & Word History | Etymology Explorer