Where does “downfault” come from?

downfault (English) comes from English fault, from Middle English faulte, from Old French faute, from Vulgar Latin fallita, from Latin falsus, from Latin fallō, from Proto-Indo-European ǵʰwel- — to bend; to lie, deceive.

downfault (English): A graben; To form a fault that is sunken relative...

Definitions

  1. A graben; To form a fault that is sunken relative...

Ancestry of “downfault”, step by step

downfault traces back through two separate lines of ancestry.

via English fault

StepLanguageWordMeaning
1EnglishfaultA defect; something that detracts from...
2Middle Englishfaulte
3Old Frenchfautefault; error; mistake
4Vulgar Latinfallitashortcoming
5Latinfalsusdeceived, tricked, cheated, disappointed, having...
6Latinfallōto deceive, beguile, trick, cheat, delude, ensnare, disappoint
7Proto-Indo-Europeanǵʰwel-to bend; to lie, deceive

via English Down

StepLanguageWordMeaning
1EnglishDownusually known as County Down
2Middle Englishdoundown
3Old Englishdūnhill, down; hill, dune; hill, mountain
4Proto-Germanic*dūnā
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European ǵʰwel-