Crossword Genius

Something that is so out of time in religious book (4)

Ross

I believe the answer is:

ruth

I'm a little stuck... Click here to teach me more about this clue!

'book' is the definition.
(book of the Bible)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for ruth that I've seen before include "She is followed by Samuel" , "Girl's name; pity (archaic)" , "Old word for pity, or Bible book" , "Lady" , "condolence" .)

I've seen this clue in The 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.