Where does “Tejas” come from?

Tejas (Spanish) comes from Sanskrit तेजस्, from Proto-Indo-Aryan táyȷ́as, from Proto-Indo-European (s)teyg- — to be sharp; to sting.

Ancestry of “Tejas”, step by step

Tejas traces back through two separate lines of ancestry.

via Sanskrit तेजस्

StepLanguageWordMeaning
1Sanskritतेजस्the sharp edge of a knife; the point or top of a...
2Proto-Indo-Aryantáyȷ́as
3Proto-Indo-European(s)teyg-to be sharp; to sting

via Caddo táyshaʔ

StepLanguageWordMeaning
1Caddotáyshaʔfriend, ally

Words derived from “Tejas

Every word from Proto-Indo-European (s)teyg-