Where does “tápas” come from?

tápas (Proto-Indo-Aryan) comes from Proto-Indo-Iranian tápas, from Proto-Indo-European tépos, from Proto-Indo-European tep- — to be warm, be hot.

Ancestry of “tápas”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iraniantápasheat
2Proto-Indo-Europeantéposheat, warmth
3Proto-Indo-Europeantep-to be warm, be hot
Every word from Proto-Indo-European tep- →Every word from Proto-Indo-European tépos →Every word from Proto-Indo-Iranian tápas →
tápas — Etymology, Origin & Word History | Etymology Explorer