Where does “wāen” come from?

wāen (Old High German) comes from Proto-Germanic wēaną, from Proto-Indo-European h₂wḗh₁ti, from Proto-Indo-European h₂weh₁- — to blow.

Ancestry of “wāen”, step by step

StepLanguageWordMeaning
1Proto-Germanicwēanąto blow
2Proto-Indo-Europeanh₂wḗh₁tito blow
3Proto-Indo-Europeanh₂weh₁-to blow
Every word from Proto-Indo-European h₂weh₁- →Every word from Proto-Indo-European h₂wḗh₁ti →Every word from Proto-Germanic wēaną →