Crossword Genius

Jacob's brother gets vague in the evening (4)

Ross

I believe the answer is:

esau

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

'jacob's brother' is the definition.
(I've seen this in another clue)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for esau that I've seen before include "Biblical twin to Jacob" , "Jacob's brother (OT)" , "Cheated brother" , "Jacob's brother (Gen.)" , "Hairy OT man" .)

I've seen this clue in the Sydney Morning Herald.
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.