Where does “ffyð” come from?

ffyð (Middle Welsh) comes from Proto-Brythonic fɨð, from Latin fides, from Latin fido, from Proto-Italic feiðō, from Proto-Indo-European bʰéydʰeti, from Proto-Indo-European bʰeydʰ- — to compel, force; to trust.

Ancestry of “ffyð”, step by step

StepLanguageWordMeaning
1Proto-Brythonicfɨð—
2Latinfidesfaith, belief; reliance; confidence, trust
3LatinfidoI trust, put confidence in; I rely upon; dative...
4Proto-Italicfeiðōto trust
5Proto-Indo-Europeanbʰéydʰetito trust
6Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

Words derived from “ffyð”

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