"You keep using that word. I do not think it means what you think it means" speaker Montoya (5)

I believe the answer is:

inigo

(Other definitions for inigo that I've seen before include "Jones the (C17) architect" , "Adverb giving emphasis (grammar)" , "Fellow" , "Man" , "___ Jones, English architect and stage designer" .)

I've seen this clue in The Washington Post.

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.