Where does “speedest” come from?

speedest (English) comes 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-, from Proto-Indo-European speh₁- — to succeed, to prosper.

speedest (English): second-person singular simple present form of...

Definitions

  1. second-person singular simple present form of...

Ancestry of “speedest”, step by step

speedest traces back through two separate lines of ancestry.

via English Speed

StepLanguageWordMeaning
1EnglishSpeedThe state of moving quickly or the capacity for rapid motion
2Middle Englishspedgood fortune
3Old Englishspēdsuccess; luck, prosperity, success
4Proto-West Germanicspōdihurry, rush; success, prosperity
5Proto-West Germanicspōanto succeed, prosper
6Proto-Germanicspōanąto prosper, succeed, be happy
7Proto-Indo-Europeanspéh₁-to succeed, to prosper
8Proto-Indo-Europeanspeh₁-to succeed, to prosper

via English Est

StepLanguageWordMeaning
1EnglishEstestablished
2Middle Englishestegrace, est, favour; pleasure, enjoyment, fun;...
3Old Englishēstwill, consent, favour, grace, liberality,...
4Proto-West Germanic*anstifavour
5Proto-Germanicanstizfavour, affection
6Proto-Germanicunnanąto grant, bestow
7Proto-Indo-Europeanān-to notice; face, mouth
Every word from Proto-Indo-European speh₁-Every word from Proto-Indo-European spéh₁-Every word from Proto-Germanic spōaną