Where does “tatás” come from?

tatás (Proto-Indo-Aryan) comes from Proto-Indo-Iranian tatás, from Proto-Indo-European tn̥tós, from Proto-Indo-European ten- — to stretch, to extend.

Ancestry of “tatás”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iraniantatás—
2Proto-Indo-Europeantn̥tósstretched, extended
3Proto-Indo-Europeanten-to stretch, to extend
Every word from Proto-Indo-European ten- →Every word from Proto-Indo-European tn̥tós →Every word from Proto-Indo-Iranian tatás →