Where does “fourplex” come from?

fourplex (English) comes from English four, from Middle English four, from Old English fēower, from Proto-West Germanic feuwar, from Proto-Germanic fedwōr, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

fourplex (English): quadplex

Definitions

  1. quadplex

Ancestry of “fourplex”, step by step

fourplex traces back through two separate lines of ancestry.

via English four

StepLanguageWordMeaning
1EnglishfourA numerical value equal to 4; the number after...
2Middle Englishfourfour
3Old Englishfēowerfour
4Proto-West Germanicfeuwarfour
5Proto-Germanicfedwōrfour
6Proto-Indo-Europeankʷetwóresfour
7Proto-Indo-Europeankʷe-and

via English plex

StepLanguageWordMeaning
1EnglishplexA building, such as a duplex or triplex, with a...
2Latinplecterepresent active infinitive of plectō;...
3LatinplectoI plait, weave, braid; I twist, bend, turn; I...
4Proto-Italicplektō
5Proto-Indo-Europeanpleḱ-to fold, plait, weave
6Proto-Indo-Europeanpel-to cover, to wrap; skin, hide, cloth; to fold
Every word from Proto-Indo-European kʷe-
fourplex — Etymology, Origin & Word History | Etymology Explorer