Where does “διάγραμμα” come from?

διάγραμμα (Greek) comes from Ancient Greek διάγραμμα, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

διάγραμμα (Greek): diagram

Definitions

diagram

Ancestry of “διάγραμμα”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	διάγραμμα	That which is marked out in lines, plan, diagram
2	Ancient Greek	δῐᾰ-	apart; through, across; through; in different...
3	Ancient Greek	διά	throughout
4	Proto-Indo-European	dwís	twice, doubly; in two
5	Proto-Indo-European	dwóh₁	two

Every word from Proto-Indo-European dwóh₁ →Every word from Ancient Greek δῐᾰ- →Every word from Proto-Indo-European dwís →