Where does “quidité” come from?

quidité (Old French) comes from Latin quidditas, from Latin quid, from Proto-Italic kʷid, from Proto-Indo-European kʷíd, from Proto-Indo-European kʷís, from Proto-Indo-European kʷi- — interrogative base.

Ancestry of “quidité”, step by step

StepLanguageWordMeaning
1Latinquidditas—
2Latinquidneuter nominative/accusative singular of quis;...
3Proto-Italickʷid—
4Proto-Indo-Europeankʷídneuter nominative/accusative singular of *kʷís
5Proto-Indo-Europeankʷíswho, what; who, which, that; which, what
6Proto-Indo-Europeankʷi-interrogative base

Words derived from “quidité”

Every word from Proto-Indo-European kʷi- →Every word from Proto-Indo-European kʷís →Every word from Proto-Indo-European kʷíd →