Where does “orthodiagonal” come from?

orthodiagonal (English) comes from English diagonal, from Middle French diagonal, from Latin diagōnālis, from Ancient Greek διαγώνιος, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

orthodiagonal (English): The diagonal or lateral axis in a monoclinic...

Definitions

  1. The diagonal or lateral axis in a monoclinic...

Ancestry of “orthodiagonal”, step by step

orthodiagonal traces back through two separate lines of ancestry.

via English diagonal

StepLanguageWordMeaning
1EnglishdiagonalJoining two nonadjacent vertices; Having slanted...
2Middle Frenchdiagonal
3Latindiagōnālisdiagonal
4Ancient Greekδιαγώνιοςfrom angle to angle
5Ancient Greekδῐᾰ-apart; through, across; through; in different...
6Ancient Greekδιάthroughout
7Proto-Indo-Europeandwístwice, doubly; in two
8Proto-Indo-Europeandwóh₁two

via English ortho

StepLanguageWordMeaning
1EnglishorthoAn isomer of a benzene derivative having two...
Every word from Proto-Indo-European dwóh₁
orthodiagonal — Etymology, Origin & Word History | Etymology Explorer