Where does “diagonaaliansas” come from?

diagonaaliansas (Finnish) comes from Finnish diagonaalinen, 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.

Ancestry of “diagonaaliansas”, step by step

diagonaaliansas traces back through two separate lines of ancestry.

via Finnish diagonaalinen

StepLanguageWordMeaning
1Finnishdiagonaalinendiagonal
2Latindiagōnālisdiagonal
3Ancient Greekδιαγώνιοςfrom angle to angle
4Ancient Greekδῐᾰ-apart; through, across; through; in different...
5Ancient Greekδιάthroughout
6Proto-Indo-Europeandwístwice, doubly; in two
7Proto-Indo-Europeandwóh₁two

via Finnish ansas

StepLanguageWordMeaning
1Finnishansastruss structure made up of one or more triangular units made from straight beams of wood or metal, which is used to support a structure as in a roof or bridge; framework of beams
Every word from Proto-Indo-European dwóh₁Every word from Ancient Greek δῐᾰ-Every word from Proto-Indo-European dwís