Where does “*tántram” come from?

*tántram (Proto-Nuristani) comes from Proto-Indo-European téntlom, from Proto-Indo-European ten- — to stretch, to extend.

Ancestry of “*tántram”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanténtlom—
2Proto-Indo-Europeanten-to stretch, to extend
Every word from Proto-Indo-European ten- →Every word from Proto-Indo-European téntlom →