Where does “Malko Tŭrnovo” come from?

Malko Tŭrnovo (English) comes from Bulgarian Малко Търново, from Old Church Slavonic трънъ, from Proto-Slavic tьrnъ, from Proto-Balto-Slavic tirnas, from Proto-Indo-European tr̥nós, from Proto-Indo-European (s)ter- — strong, firm, stiff, rigid; rigid, stiff; to...

Ancestry of “Malko Tŭrnovo”, step by step

StepLanguageWordMeaning
1BulgarianМалко Търново—
2Old Church Slavonicтрънъthorn
3Proto-Slavictьrnъthorn; blackthorn, sloe-tree
4Proto-Balto-Slavictirnasthorn
5Proto-Indo-Europeantr̥nóssharp, stiff
6Proto-Indo-European(s)ter-strong, firm, stiff, rigid; rigid, stiff; to...
Every word from Proto-Indo-European (s)ter- →Every word from Proto-Indo-European tr̥nós →Every word from Proto-Balto-Slavic tirnas →