Where does “vouchest” come from?

vouchest (English) comes from English vouch, from Middle English vouchen, from Old French vochier, from Vulgar Latin *vocico, from Latin vocō, from Latin vōx, from Proto-Italic wōks, from Proto-Indo-European wṓkʷs — to speak, to sound out.

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

Definitions

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

Ancestry of “vouchest”, step by step

vouchest traces back through two separate lines of ancestry.

via English vouch

StepLanguageWordMeaning
1EnglishvouchTo take responsibility for; to express confidence...
2Middle Englishvouchen
3Old Frenchvochierto call; to summon; to claim; to denounce
4Vulgar Latin*vocico
5Latinvocōto call, summon, beckon (with one's voice)
6Latinvōxvoice
7Proto-Italicwōksvoice
8Proto-Indo-Europeanwṓkʷsvoice, speech
9Proto-Indo-Europeanwekʷ-to speak, to sound out

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 wekʷ-