Where does “quidditas” come from?

quidditas (Latin) comes 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 “quidditas”, step by step

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

Words derived from “quidditas”

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