Where does “fidélité” come from?

fidélité (Middle French) comes from Latin fidēlitās, from Latin fidēlis, from Latin fidēs, from Proto-Italic feiðos, from Proto-Indo-European bʰeydʰos, from Proto-Indo-European bʰeydʰ- — to compel, force; to trust.

Ancestry of “fidélité”, step by step

StepLanguageWordMeaning
1Latinfidēlitāsfaithfulness, fidelity
2Latinfidēlisfaithful, loyal
3Latinfidēs
4Proto-Italicfeiðosfaithful, reliable
5Proto-Indo-Europeanbʰeydʰosfaithful, trustworthy
6Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

Words derived from “fidélité

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