Where does “speediness” come from?

speediness (English) comes from English speedy, 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.

speediness (English): The property of being fast; swiftness

Definitions

  1. The property of being fast; swiftness

Ancestry of “speediness”, step by step

speediness traces back through two separate lines of ancestry.

via English speedy

StepLanguageWordMeaning
1Englishspeedyrapid; swift; to process in a faster than normal,...
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 Middle English spedines

StepLanguageWordMeaning
1Middle Englishspedines
2Old Englishspēdiġnesopulence, wealth
Every word from Proto-Indo-European speh₁-