Malko Tŭrnovo

The story

1. Old Church Slavonic · derived fromмалъ“small”
2. Bulgarian · borrowed fromМалко Търново
3. English todayMalko Tŭrnovo

From Bulgarian Малко Търново (Malko Tărnovo), ultimately derived from Old Church Slavonic малъ (malŭ, “small”) and трънъ (trŭnŭ, “thorn”), thus "lesser thorn", opposed to Veliko Tŭrnovo.