Where does “fiveplex” come from?

fiveplex (English) comes from English five, from Middle English fyf, from Old English fīf, from Proto-West Germanic fimf, from Proto-Germanic fimf, from Proto-Indo-European pénkʷe — five.

fiveplex (English): A building divided into five separate residences...

Definitions

  1. A building divided into five separate residences...

Ancestry of “fiveplex”, step by step

fiveplex traces back through two separate lines of ancestry.

via English five

StepLanguageWordMeaning
1EnglishfiveA numerical value equal to 5; the number...
2Middle Englishfyffive
3Old Englishfīffive
4Proto-West Germanicfimffive
5Proto-Germanicfimffive
6Proto-Indo-Europeanpénkʷefive

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 pénkʷeEvery word from Proto-Germanic fimfEvery word from Proto-West Germanic fimf