Crossword Genius

Stamping the time when teachers finally relax? (11)

Ross

I believe the answer is:

postmarking

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

'stamping the time' is the definition.

I don't understand how the remainder of the clue works.

Can you help me to learn more?

I've seen this clue in The Guardian.
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.