Where does “tarkúṣ” come from?
tarkúṣ (Proto-Indo-Aryan) comes from Proto-Indo-Iranian tarkúš, from Proto-Indo-European terkʷ- — to turn, spin.
tarkúṣ (Proto-Indo-Aryan) comes from Proto-Indo-Iranian tarkúš, from Proto-Indo-European terkʷ- — to turn, spin.