Where does “speedlessness” come from?

speedlessness (English) comes from English speedless, from English Speed, from Middle English sped, from Old English spēd, from Proto-West Germanic spōdi, from Proto-West Germanic spōan, from Proto-Germanic spōaną, from Proto-Indo-European spéh₁- — to succeed, to prosper.

speedlessness (English): Absence of speed

Definitions

  1. Absence of speed

Ancestry of “speedlessness”, step by step

speedlessness traces back through two separate lines of ancestry.

via English speedless

StepLanguageWordMeaning
1EnglishspeedlessLacking success or prosperity; not prosperous;...
2EnglishSpeedThe state of moving quickly or the capacity for rapid motion
3Middle Englishspedgood fortune
4Old Englishspēdsuccess; luck, prosperity, success
5Proto-West Germanicspōdihurry, rush; success, prosperity
6Proto-West Germanicspōanto succeed, prosper
7Proto-Germanicspōanąto prosper, succeed, be happy
8Proto-Indo-Europeanspéh₁-to succeed, to prosper
9Proto-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 Proto-Germanic spōaną