Where does “diagnōsis” come from?

diagnōsis (Latin) comes from Ancient Greek διάγνωσις, from Ancient Greek διαγιγνώσκω, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

Ancestry of “diagnōsis”, step by step

StepLanguageWordMeaning
1Ancient Greekδιάγνωσιςdistinguishing
2Ancient Greekδιαγιγνώσκωto discern; distinguish, discern
3Ancient Greekδῐᾰ-apart; through, across; through; in different...
4Ancient Greekδιάthroughout
5Proto-Indo-Europeandwístwice, doubly; in two
6Proto-Indo-Europeandwóh₁two

Words derived from “diagnōsis

Every word from Proto-Indo-European dwóh₁Every word from Ancient Greek δῐᾰ-Every word from Proto-Indo-European dwís