Where does “fault” come from?

fault (Old French) comes from Latin falsus, from Latin fallō, from Proto-Indo-European ǵʰwel- — to bend; to lie, deceive.

Ancestry of “fault”, step by step

StepLanguageWordMeaning
1Latinfalsusdeceived, tricked, cheated, disappointed, having...
2Latinfallōto deceive, beguile, trick, cheat, delude, ensnare, disappoint
3Proto-Indo-Europeanǵʰwel-to bend; to lie, deceive
Every word from Proto-Indo-European ǵʰwel- →Every word from Latin fallō →Every word from Latin falsus →