Where does “wüllīn” come from?

wüllīn (Middle High German) comes from Old High German wullīn, from Proto-Germanic wullīnaz, from Proto-Germanic wullō, from Proto-Indo-European h₂wĺ̥h₁neh₂, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

Ancestry of “wüllīn”, step by step

StepLanguageWordMeaning
1Old High Germanwullīn
2Proto-Germanicwullīnazwoolen, made of wool
3Proto-Germanicwullōwool
4Proto-Indo-Europeanh₂wĺ̥h₁neh₂wool
5Proto-Indo-European-nósCreates verbal adjectives from roots
Every word from Proto-Indo-European -nósEvery word from Proto-Indo-European h₂wĺ̥h₁neh₂Every word from Proto-Germanic wullō