Where does “self-interested” come from?

self-interested (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.

self-interested (English): Having self-interest; particularly concerned for...

Definitions

  1. Having self-interest; particularly concerned for...

Ancestry of “self-interested”, step by step

self-interested 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 interested

StepLanguageWordMeaning
1EnglishinterestedHaving or showing interest; Motivated by...

Words derived from “self-interested

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