Where does “*ifern” come from?

*ifern (Proto-Brythonic) comes from Vulgar Latin *īferna, from Latin inferna, from Latin īnfernus — of the lower regions.

Ancestry of “*ifern”, step by step

StepLanguageWordMeaning
1Vulgar Latin*īferna
2Latininfernathe lower parts of the body, the abdomen;...
3Latinīnfernusof the lower regions

Words derived from “*ifern

Every word from Latin īnfernusEvery word from Latin infernaEvery word from Vulgar Latin *īferna