Where does “fiancé” come from?

fiancé (French) comes from French fiancer, from Italian fidanzare, from Italian fidanza, from Italian fidare, from Vulgar Latin fidare, from Latin fīdō, from Proto-Italic feiðō, from Proto-Indo-European bʰéydʰeti — to compel, force; to trust.

fiancé (French): engaged; fiancé; past participle of fiancer

Definitions

  1. engaged; fiancé; past participle of fiancer

Ancestry of “fiancé”, step by step

fiancé traces back through two separate lines of ancestry.

via French fiancer

StepLanguageWordMeaning
1Frenchfiancerto get engaged
2Italianfidanzareto affiance, to promise, to betroth; to assure
3Italianfidanzatrust, faith; safe-conduct; third-person singular...
4Italianfidareto entrust something to someone; see affidare; to...
5Vulgar Latinfidare
6Latinfīdōto trust, put confidence in
7Proto-Italicfeiðōto trust
8Proto-Indo-Europeanbʰéydʰetito trust
9Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

via Middle French fiance

StepLanguageWordMeaning
1Middle Frenchfiancefaith; confidence
2Old Frenchfiancefaith; confidence
3LatinFidentiasituated between Parma and Placentia, now Fidenza
4Latin-iaUsed to form a feminine abstract noun, usually...
5Latin-iusforming adjectives from nouns; nominative neuter...
6Proto-Italic-jōsForms comparative adjectives
7Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “fiancé

Every word from Proto-Indo-European bʰeydʰ-Every word from Proto-Indo-European bʰéydʰetiEvery word from Proto-Italic feiðō