Where does “quadre” come from?

quadre (Middle English) comes from Latin quadrāre, from Latin quādrus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres — and.

Ancestry of “quadre”, step by step

Step	Language	Word	Meaning
1	Latin	quadrāre	—
2	Latin	quādrus	square
3	Latin	quattŭor	four; 4
4	Portuguese	quarto	ordinal form of quatro; fourth; quarter; fourth;...
5	Old Portuguese	quarto	quarter
6	Latin	quārtus	fourth
7	Proto-Indo-European	kʷeturtos	—
8	Proto-Indo-European	kʷetwóres	four
9	Proto-Indo-European	kʷe-	and

Words derived from “quadre”

quāder
quaderförmig
Hyperquader

Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Proto-Indo-European kʷeturtos →