Where does “digamma” come from?

digamma (Spanish) comes from Latin digamma, from Ancient Greek δίγαμμα, from Ancient Greek δί-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

digamma (Spanish): digamma; the Greek letter Ϝ, ϝ

Definitions

digamma; the Greek letter Ϝ, ϝ

Ancestry of “digamma”, step by step

Step	Language	Word	Meaning
1	Latin	digamma	—
2	Ancient Greek	δίγαμμα	the letter Ϝ
3	Ancient Greek	δί-	Twice, double
4	Ancient Greek	διά	throughout
5	Proto-Indo-European	dwís	twice, doubly; in two
6	Proto-Indo-European	dwóh₁	two

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