Where does “त्बिलिसी” come from?

त्बिलिसी (Hindi) comes from English Tbilisi, from Russian Тбили́си, from Georgian თბილისი, from Georgian თბილი, from Old Georgian ტფილი, from Proto-Kartvelian ṭep- — to warm oneself.

Ancestry of “त्बिलिसी”, step by step

त्बिलिसी traces back through two separate lines of ancestry.

via English Tbilisi

StepLanguageWordMeaning
1EnglishTbilisiThe government of Georgia
2RussianТбили́си
3Georgianთბილისი
4Georgianთბილიwarm
5Old Georgianტფილიwarm
6Proto-Kartvelianṭep-to warm oneself

via Old Georgian ტფილისი

StepLanguageWordMeaning
1Old GeorgianტფილისიTbilisi
Every word from Proto-Kartvelian ṭep-Every word from Old Georgian ტფილიEvery word from Georgian თბილი