Where does “quadriiugi” come from?

quadriiugi (Latin) comes from Latin quadriiugus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

quadriiugi (Latin): a quadriga

Definitions

a quadriga

Ancestry of “quadriiugi”, step by step

Step	Language	Word	Meaning
1	Latin	quadriiugus	of or pertaining to a quadriga
2	Latin	quattŭor	four; 4
3	Portuguese	quarto	ordinal form of quatro; fourth; quarter; fourth;...
4	Old Portuguese	quarto	quarter
5	Latin	quārtus	fourth
6	Proto-Indo-European	kʷeturtos	—
7	Proto-Indo-European	kʷetwóres	four
8	Proto-Indo-European	kʷe-	and

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