Where does “quadruplans” come from?

quadruplans (Latin) comes from Latin quadruplo, from Latin quadruplus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres — and.

Definitions

Ancestry of “quadruplans”, step by step

StepLanguageWordMeaning
1LatinquadruploI quadruple, multiply by four, make fourfold
2Latinquadruplusfourfold, quadruple
3Latinquattŭorfour; 4
4Portuguesequartoordinal form of quatro; fourth; quarter; fourth;...
5Old Portuguesequartoquarter
6Latinquārtusfourth
7Proto-Indo-Europeankʷeturtos
8Proto-Indo-Europeankʷetwóresfour
9Proto-Indo-Europeankʷe-and
Every word from Proto-Indo-European kʷe-