Where does “underknee” come from?

underknee (English) comes 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-, from Proto-Indo-European ǵónu — knee.

underknee (English): Below the knee

Definitions

  1. Below the knee

Ancestry of “underknee”, step by step

underknee traces back through two separate lines of ancestry.

via English knee

StepLanguageWordMeaning
1EnglishkneeIn humans, the joint or the region of the joint...
2Middle EnglishknēThe knee or a similar joint in other animals
3Old Englishcnēogeneration
4Proto-West Germanickneuknee
5Proto-Germanicknewąknee
6Proto-Indo-Europeanǵnéwo-knee
7Proto-Indo-Europeanǵónuknee

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European ǵónuEvery word from Proto-Indo-European ǵnéwo-Every word from Proto-Germanic knewą