Where does “knee-jerkishly” come from?

knee-jerkishly (English) comes from English knee-jerkish, from English knee-jerk, from English knee, from Middle English knē, from Old English cnēo, from Proto-West Germanic kneu, from Proto-Germanic knewą, from Proto-Indo-European ǵnéwo- — knee.

knee-jerkishly (English): In a knee-jerkish manner

Definitions

  1. In a knee-jerkish manner

Ancestry of “knee-jerkishly”, step by step

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

via English knee-jerkish

StepLanguageWordMeaning
1Englishknee-jerkishExhibiting or characteristic of a rash or...
2Englishknee-jerkUnthinking, not carefully considered, automatic,...
3EnglishkneeIn humans, the joint or the region of the joint...
4Middle EnglishknēThe knee or a similar joint in other animals
5Old Englishcnēogeneration
6Proto-West Germanickneuknee
7Proto-Germanicknewąknee
8Proto-Indo-Europeanǵnéwo-knee
9Proto-Indo-Europeanǵónuknee

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European ǵónuEvery word from Proto-Indo-European ǵnéwo-Every word from Proto-Germanic knewą
knee-jerkishly — Etymology, Origin & Word History | Etymology Explorer