Where does “fyi” come from?

fyi (Norman) comes from Old French fier, 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.

fyi (Norman): proud

Definitions

  1. proud

Ancestry of “fyi”, step by step

StepLanguageWordMeaning
1Old Frenchfierto trust
2Vulgar Latinfidare—
3Latinfīdōto trust, put confidence in
4Proto-Italicfeiðōto trust
5Proto-Indo-Europeanbʰéydʰetito trust
6Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

Words derived from “fyi”

Every word from Proto-Indo-European bʰeydʰ- →Every word from Proto-Indo-European bʰéydʰeti →Every word from Proto-Italic feiðō →