Where does “fedes” come from?

fedes (Vulgar Latin) comes from Latin fidēs, from Proto-Italic feiðos, from Proto-Indo-European bʰeydʰos, from Proto-Indo-European bʰeydʰ- — to compel, force; to trust.

Ancestry of “fedes”, step by step

StepLanguageWordMeaning
1Latinfidēs
2Proto-Italicfeiðosfaithful, reliable
3Proto-Indo-Europeanbʰeydʰosfaithful, trustworthy
4Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

Words derived from “fedes

Every word from Proto-Indo-European bʰeydʰ-Every word from Proto-Indo-European bʰeydʰosEvery word from Proto-Italic feiðos