Where does “vouchen” come from?

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

Ancestry of “vouchen”, step by step

StepLanguageWordMeaning
1Old Frenchvochierto call; to summon; to claim; to denounce
2Vulgar Latin*vocico—
3Latinvocōto call, summon, beckon (with one's voice)
4Latinvōxvoice
5Proto-Italicwōksvoice
6Proto-Indo-Europeanwṓkʷsvoice, speech
7Proto-Indo-Europeanwekʷ-to speak, to sound out

Words derived from “vouchen”

Every word from Proto-Indo-European wekʷ- →Every word from Proto-Indo-European wṓkʷs →Every word from Proto-Italic wōks →