Where does “anffyddlondeb” come from?

anffyddlondeb (Welsh) comes from Welsh anffyddlon, from Welsh ffyddlon, from Welsh ffydd, from Middle Welsh ffyð, from Proto-Brythonic fɨð, from Latin fides, from Latin fido, from Proto-Italic feiðō — to compel, force; to trust.

anffyddlondeb (Welsh): unfaithfulness, infidelity

Definitions

  1. unfaithfulness, infidelity

Ancestry of “anffyddlondeb”, step by step

StepLanguageWordMeaning
1Welshanffyddlonunfaithful, false, disloyal
2Welshffyddlonfaithful; A regular
3Welshffyddfaith
4Middle Welshffyð
5Proto-Brythonicfɨð
6Latinfidesfaith, belief; reliance; confidence, trust
7LatinfidoI trust, put confidence in; I rely upon; dative...
8Proto-Italicfeiðōto trust
9Proto-Indo-Europeanbʰéydʰetito trust
10Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust
Every word from Proto-Indo-European bʰeydʰ-Every word from Proto-Indo-European bʰéydʰetiEvery word from Proto-Italic feiðō