Where does “faerself” come from?

faerself (English) comes from English Self, from Middle English salve, from Old English sealf, from Proto-West Germanic salbu, from Proto-Germanic salbō, from Proto-Indo-European solp-éh₂, from Proto-Indo-European selp- — fat, oil.

Ancestry of “faerself”, step by step

faerself traces back through two separate lines of ancestry.

via English Self

StepLanguageWordMeaning
1EnglishSelfHimself, herself, itself, themself, themselves; that specific (person mentioned)
2Middle EnglishsalveAlternative form of sauf
3Old Englishsealfsalve
4Proto-West Germanicsalbusalve, ointment
5Proto-Germanicsalbōsalve, ointment
6Proto-Indo-Europeansolp-éh₂
7Proto-Indo-Europeanselp-fat, oil

via English faer

StepLanguageWordMeaning
1Englishfaer
Every word from Proto-Indo-European selp-Every word from Proto-Indo-European solp-éh₂Every word from Proto-Germanic salbō