Where does “hwenne” come from?

hwenne (Old English) comes from Proto-Germanic hwannē, from Proto-Germanic hwan, from Proto-Germanic hwaz, from Proto-Indo-European kʷos, from Proto-Indo-European kʷ- — The primary interrogative root.

Ancestry of “hwenne”, step by step

hwenne traces back through two separate lines of ancestry.

via Proto-Germanic hwannē

StepLanguageWordMeaning
1Proto-Germanichwannēat what time, when; when
2Proto-Germanichwanwhen, at what time
3Proto-Germanichwazwho, what; whose; whom
4Proto-Indo-EuropeankʷosSee *kʷis
5Proto-Indo-Europeankʷ-The primary interrogative root

via Proto-West Germanic hwan

StepLanguageWordMeaning
1Proto-West Germanichwanwhen
Every word from Proto-Indo-European kʷ-Every word from Proto-Indo-European kʷosEvery word from Proto-Germanic hwaz