Where does “fidere” come from?

fidere (Middle High German) comes from Old High German fidari, 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.

Ancestry of “fidere”, step by step

fidere traces back through two separate lines of ancestry.

via Old High German fidari

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

via Old High German fedari

StepLanguageWordMeaning
1Old High Germanfedari—
2Proto-Germanicfiþrijąfeathers (collectively); plumage

Words derived from “fidere”

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