Where does “qui-foi” come from?

qui-foi (Macanese) comes from Macanese qui, from Portuguese quão, from Old Portuguese quan, from Latin quam, from Proto-Italic kʷoi, from Proto-Indo-European kʷós — who.

qui-foi (Macanese): why?

Definitions

  1. why?

Ancestry of “qui-foi”, step by step

qui-foi traces back through two separate lines of ancestry.

via Macanese qui

StepLanguageWordMeaning
1Macanesequithat
2Portuguesequãohow; as
3Old Portuguesequan
4Latinquamin what way, to what degree; how, how much, as...
5Proto-Italickʷoiwho, what
6Proto-Indo-Europeankʷóswho

via Macanese foi

StepLanguageWordMeaning
1Macanesefoi
Every word from Proto-Indo-European kʷósEvery word from Proto-Italic kʷoiEvery word from Latin quam