Where does “Topla” come from?

Topla (Romanian) comes from Old Church Slavonic топлъ, from Proto-Slavic teplъ, from Proto-Indo-European tep- — to be warm, be hot.

Ancestry of “Topla”, step by step

StepLanguageWordMeaning
1Old Church Slavonicтоплъwarm; hot
2Proto-Slavicteplъwarm
3Proto-Indo-Europeantep-to be warm, be hot
Every word from Proto-Indo-European tep-Every word from Proto-Slavic teplъEvery word from Old Church Slavonic топлъ