Where does “affier” come from?

affier (Middle French) comes from Old French afier, from Late Latin affidare, from Vulgar Latin fidare, from Latin fīdō, from Proto-Italic feiðō, from Proto-Indo-European bʰéydʰeti, from Proto-Indo-European bʰeydʰ- — to compel, force; to trust.

affier (Middle French): to promise; to assure; to guarantee

Definitions

  1. to promise; to assure; to guarantee

Ancestry of “affier”, step by step

affier traces back through two separate lines of ancestry.

via Old French afier

StepLanguageWordMeaning
1Old Frenchafierto promise; to swear
2Late Latinaffidarepresent active infinitive of affīdō;...
3Vulgar Latinfidare
4Latinfīdōto trust, put confidence in
5Proto-Italicfeiðōto trust
6Proto-Indo-Europeanbʰéydʰetito trust
7Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

via Medieval Latin affidare

StepLanguageWordMeaning
1Medieval Latinaffidare
2Latinfīdāre

Words derived from “affier

Every word from Proto-Indo-European bʰeydʰ-
affier — Etymology, Origin & Word History | Etymology Explorer