Where does “steering wheel spinner knob” come from?

steering wheel spinner knob (English) comes from English spinner, from Middle English spynnere, from Middle English -ere, from Old English -ere, from Proto-West Germanic -ārī, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

steering wheel spinner knob (English): An adapted driving device that attaches a spinnable knob to the steering wheel, allowing free spinning for those who can only grip the wheel with one limb, to be well attached to the wheel and allow the wheel to turn fully while gripped

Definitions

  1. An adapted driving device that attaches a spinnable knob to the steering wheel, allowing free spinning for those who can only grip the wheel with one limb, to be well attached to the wheel and allow the wheel to turn fully while gripped

Ancestry of “steering wheel spinner knob”, step by step

steering wheel spinner knob traces back through 3 separate lines of ancestry.

via English spinner

StepLanguageWordMeaning
1EnglishspinnerAgent noun of spin; someone or something who...
2Middle EnglishspynnereA spinner; a person normally a woman who spins fibre as a job
3Middle English-ereer
4Old English-eremasculine agent suffix, originally applied only...
5Proto-West Germanic-ārī-er
6Proto-Germanic-ārijaz-er
7Latin-āriuser
8Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via English knob

StepLanguageWordMeaning
1EnglishknobA rounded protuberance, especially one arising...
2Middle Englishknobbeknob; lump, bump
3Middle Low Germanknobbelump, knot; knob; knot in wood

via English steering wheel

StepLanguageWordMeaning
1Englishsteering wheelA wheel-shaped control that is rotated by the...
Every word from Proto-Italic *-āzios