Where does “hwelk” come from?

hwelk (Old Frisian) comes from Proto-Germanic hwilīkaz, from Proto-Germanic hwaz, from Proto-Indo-European kʷos, from Proto-Indo-European kʷ- — The primary interrogative root.

Ancestry of “hwelk”, step by step

StepLanguageWordMeaning
1Proto-Germanichwilīkazwhat kind of, what sort of
2Proto-Germanichwazwho, what; whose; whom
3Proto-Indo-EuropeankʷosSee *kʷis
4Proto-Indo-Europeankʷ-The primary interrogative root

Words derived from “hwelk”

Every word from Proto-Indo-European kʷ- →Every word from Proto-Indo-European kʷos →Every word from Proto-Germanic hwaz →