Where does “diastema” come from?

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

diastema (Polish): diastema

Definitions

diastema

Ancestry of “diastema”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	διάστημα	interval, space between
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 →