Where does “self-motion” come from?

self-motion (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-motion (English): Motion given by inherent powers, without external...

Definitions

  1. Motion given by inherent powers, without external...

Ancestry of “self-motion”, step by step

self-motion 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 motion

StepLanguageWordMeaning
1EnglishmotionA state of progression from one place to another;...
2Middle Englishmocioun
3Middle Frenchmotion
4Latinmōtiomotion, movement
5Latinmovēre
6Proto-Indo-European*m(y)ewh₁-to move
Every word from Proto-Indo-European selp-Every word from Proto-Indo-European solp-éh₂Every word from Proto-Germanic salbō