Crossword Genius

Feared fifth-century ruler (6)

Ross

I believe the answer is:

attila

(Other definitions for attila that I've seen before include "First-century king of the Huns" , "Well-known Hun" , "Brutal invader" , "Fifth century Hunnish leader" , "The Scourge of God" .)

I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.