Line in a chapel (3)

I believe the answer is:

ido

(Other definitions for ido that I've seen before include "Obscure language" , "Prepared tongue" , "International language" , "a language? That's unnatural" , "Naturally, nobody speaks this" .)

I've seen this clue in The Wall Street Journal.

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.