Where does “affiance” come from?

affiance (Middle French) comes from Middle French affier, 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.

affiance (Middle French): promise (verbal guarantee)

Definitions

  1. promise (verbal guarantee)

Ancestry of “affiance”, step by step

affiance traces back through two separate lines of ancestry.

via Middle French affier

StepLanguageWordMeaning
1Middle Frenchaffierto promise; to assure; to guarantee
2Old Frenchafierto promise; to swear
3Late Latinaffidarepresent active infinitive of affīdō;...
4Vulgar Latinfidare
5Latinfīdōto trust, put confidence in
6Proto-Italicfeiðōto trust
7Proto-Indo-Europeanbʰéydʰetito trust
8Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

via Old French afiance

StepLanguageWordMeaning
1Old Frenchafiance
2Old French-anceance (suffix used to form nouns)
3Latin-iaUsed to form a feminine abstract noun, usually...
4Latin-iusforming adjectives from nouns; nominative neuter...
5Proto-Italic-jōsForms comparative adjectives
6Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “affiance

Every word from Proto-Indo-European bʰeydʰ-Every word from Proto-Indo-European bʰéydʰetiEvery word from Proto-Italic feiðō
affiance — Etymology, Origin & Word History | Etymology Explorer