Where does “δύστρον” come from?

δύστρον (Ancient Greek) comes from Ancient Greek δύω, from Proto-Indo-European dwóh₁ — two.

Ancestry of “δύστρον”, step by step

StepLanguageWordMeaning
1Ancient Greekδύωto cause to sink, to plunge; to get into, to...
2Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁ →Every word from Ancient Greek δύω →