Where does “knee-jerky” come from?

knee-jerky (English) comes from English Y, from English yuri, from Japanese 百合, from Japanese 連用形, from Japanese 見る, from Japanese 夢, from Old Japanese 夢, from Japanese 目.

knee-jerky (English): Exhibiting or characteristic of a rash or...

Definitions

  1. Exhibiting or characteristic of a rash or...

Ancestry of “knee-jerky”, step by step

knee-jerky traces back through two separate lines of ancestry.

via English Y

StepLanguageWordMeaning
1EnglishYA figure or mark in the shape of the letter Y; A...
2EnglishyuriA narrative or visual work featuring a romance or...
3Japanese百合lily
4Japanese連用形an inflectional category: the continuative or...
5Japanese見るto see, to watch, to observe, to look at...
6Japanesea dream; a vision; leaving reality to the state...
7Old Japanesea dream
8Japanesean order in biology: smaller than a class, bigger...
9Middle Chinese

via English knee-jerk

StepLanguageWordMeaning
1Englishknee-jerkUnthinking, not carefully considered, automatic,...
2EnglishkneeIn humans, the joint or the region of the joint...
3Middle EnglishknēThe knee or a similar joint in other animals
4Old Englishcnēogeneration
5Proto-West Germanickneuknee
6Proto-Germanicknewąknee
7Proto-Indo-Europeanǵnéwo-knee
8Proto-Indo-Europeanǵónuknee
Every word from Middle Chinese Every word from Japanese Every word from Old Japanese
knee-jerky — Etymology, Origin & Word History | Etymology Explorer