Where does “dipyramid” come from?

dipyramid (English) comes from English di-, from Latin dī-, from Ancient Greek δί-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

dipyramid (English): Any of a class of solids formed from two pyramids...

Definitions

  1. Any of a class of solids formed from two pyramids...

Ancestry of “dipyramid”, step by step

StepLanguageWordMeaning
1Englishdi-API; two, twice, or double; Alternative form of...
2Latindī-Two, double; di
3Ancient Greekδί-Twice, double
4Ancient Greekδιάthroughout
5Proto-Indo-Europeandwístwice, doubly; in two
6Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁ →Every word from English di- →Every word from Proto-Indo-European dwís →