Where does “hwanne” come from?

hwanne (Old High German) comes from Proto-Germanic hwan, from Proto-Germanic hwaz, from Proto-Indo-European kʷos, from Proto-Indo-European kʷ- — The primary interrogative root.

Ancestry of “hwanne”, step by step

StepLanguageWordMeaning
1Proto-Germanichwanwhen, at what time
2Proto-Germanichwazwho, what; whose; whom
3Proto-Indo-EuropeankʷosSee *kʷis
4Proto-Indo-Europeankʷ-The primary interrogative root
Every word from Proto-Indo-European kʷ- →Every word from Proto-Indo-European kʷos →Every word from Proto-Germanic hwaz →