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
Ancestry of “fyi”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old French | fier | to trust |
| 2 | Vulgar Latin | fidare | — |
| 3 | Latin | fīdō | — |
| 4 | Proto-Italic | feiðō | to trust |
| 5 | Proto-Indo-European | bʰéydʰeti | to trust |
| 6 | Proto-Indo-European | bʰeydʰ- | to compel, force; to trust |