Where does “diquaternary” come from?

diquaternary (English) comes from English Quaternary, from Latin quaternārius, from Latin quaternus, from Latin quater, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus — and.

diquaternary (English): Having two quaternary groups

Definitions

  1. Having two quaternary groups

Ancestry of “diquaternary”, step by step

diquaternary traces back through two separate lines of ancestry.

via English Quaternary

StepLanguageWordMeaning
1EnglishQuaternaryThe geological period of the Cenozoic Era immediately following the Tertiary. It is subdivided into the Pleistocene and the Holocene Epochs
2Latinquaternāriuscontaining or consisting of four things
3Latinquaternusfour each; four at a time
4Latinquaterfour times
5Latinquattŭorfour; 4
6Portuguesequartoordinal form of quatro; fourth; quarter; fourth;...
7Old Portuguesequartoquarter
8Latinquārtusfourth
9Proto-Indo-Europeankʷeturtos
10Proto-Indo-Europeankʷetwóresfour
11Proto-Indo-Europeankʷe-and

via English Di

StepLanguageWordMeaning
1EnglishDi
Every word from Proto-Indo-European kʷe-
diquaternary — Etymology, Origin & Word History | Etymology Explorer