What does the cryptic crossword clue "Slav from Ljubljana is survivor after uprising (7)" mean?

The definition is "Slav". The wordplay uses a hidden word. Hidden reversed in "slav from ljubljaNA IS SURvivor after uprising" The answer is RUSSIAN.

Slav from Ljubljana is survivor after uprising (7)

Independent Cryptic #12073 | 18 Down | 2025-06-19 flower