Where does “Tbilisis” come from?

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

Ancestry of “Tbilisis”, step by step

StepLanguageWordMeaning
1Georgianთბილისი—
2Georgianთბილიwarm
3Old Georgianტფილიwarm
4Proto-Kartvelianṭep-to warm oneself
Every word from Proto-Kartvelian ṭep- →Every word from Old Georgian ტფილი →Every word from Georgian თბილი →
Tbilisis — Etymology, Origin & Word History | Etymology Explorer