Where does “Tiblíssi” come from?

Tiblíssi (Portuguese) comes from Georgian თბილისი, from Georgian თბილი, from Old Georgian ტფილი, from Proto-Kartvelian ṭep- — to warm oneself.

Ancestry of “Tiblíssi”, step by step

StepLanguageWordMeaning
1Georgianთბილისი
2Georgianთბილიwarm
3Old Georgianტფილიwarm
4Proto-Kartvelianṭep-to warm oneself
Every word from Proto-Kartvelian ṭep-Every word from Old Georgian ტფილიEvery word from Georgian თბილი