Where does “self-balancing” come from?

self-balancing (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-balancing (English): Able to right itself automatically to prevent falling

Definitions

  1. Able to right itself automatically to prevent falling

Ancestry of “self-balancing”, step by step

self-balancing 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 balancing

StepLanguageWordMeaning
1Englishbalancingpresent participle of balance; An action wherein...
Every word from Proto-Indo-European selp-Every word from Proto-Indo-European solp-éh₂Every word from Proto-Germanic salbō