What does the cryptic crossword clue "Attack keep — insurgents held back guards (5)" mean?

The definition is "Attack". The wordplay uses a hidden word. Hidden reversed in "attack keEP — INSurgents held back guards" The answer is SNIPE.

Attack keep — insurgents held back guards (5)

Times Cryptic #29186 | 19 Across | 2025-03-25 flower