Where does “երկուս” come from?

երկուս (Old Armenian) comes from Old Armenian երկու, from Proto-Indo-European dwóh₁ — two.

Ancestry of “երկուս”, step by step

StepLanguageWordMeaning
1Old Armenianերկուtwo; second; besides, moreover
2Proto-Indo-Europeandwóh₁two

Words derived from “երկուս”

Every word from Proto-Indo-European dwóh₁ →Every word from Old Armenian երկու →