Where does “tánuṣ” come from?

tánuṣ (Proto-Indo-Aryan) comes from Proto-Indo-Iranian tánuš, from Proto-Indo-European ténh₂us, from Proto-Indo-European tenh₂-, from Proto-Indo-European ten- — to stretch, to extend.

Ancestry of “tánuṣ”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iraniantánuš—
2Proto-Indo-Europeanténh₂usthin
3Proto-Indo-Europeantenh₂-to stretch, to extend
4Proto-Indo-Europeanten-to stretch, to extend
Every word from Proto-Indo-European ten- →Every word from Proto-Indo-European tenh₂- →Every word from Proto-Indo-European ténh₂us →