Loyalty that's pledged

I believe the answer is:

troth

(Other definitions for troth that I've seen before include "(Pledged) loyalty" , "old-fashioned faith" , "Solemn word" , "Solemn pledge" , "Something often plighted" .)

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.