Where does “who” come from?

Who descends from Middle English wha, from Old English hwā, from Proto-Germanic hwaz, from Proto-Indo-European kʷos, ultimately from the Proto-Indo-European root kʷ-.

who (English): What person or people; which person or people;...

Definitions

  1. What person or people; which person or people;...

Ancestry of “who”, step by step

who traces back through 3 separate lines of ancestry.

via Middle English wha

StepLanguageWordMeaning
1Middle Englishwha
2Old Englishhwāwho
3Proto-West Germanichwaʀwho
4Proto-Germanichwazwho, what; whose; whom
5Proto-Indo-EuropeankʷosSee *kʷis
6Proto-Indo-Europeankʷ-The primary interrogative root

via Middle English who

StepLanguageWordMeaning
1Middle Englishwhowho nominative

via Middle English hwo

StepLanguageWordMeaning
1Middle Englishhwo

Words derived from “who

Every word from Proto-Indo-European kʷ-