Where does “didym” come from?

didym (Norwegian Bokmål) comes from Ancient Greek Δίδυμος, from Ancient Greek δύο, from Proto-Hellenic *dúwo, from Proto-Indo-European dwóh₁ — two.

Ancestry of “didym”, step by step

StepLanguageWordMeaning
1Ancient GreekΔίδυμοςdouble; twofold
2Ancient Greekδύοtwo
3Proto-Hellenic*dúwotwo
4Proto-Indo-Europeandwóh₁two

Words derived from “didym”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Hellenic *dúwo →Every word from Ancient Greek δύο →