Crossword Genius

Permissive landlord? (6)

Ross

I believe the answer is:

letter

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

'landlord?' is the definition.
(landlords let property)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for letter that I've seen before include "Epistle, missive" , "Character of the alphabet" , "Piece of correspondence" , "Communication via the postman" , "Item sent - character" .)

I've seen this clue in The Independent.
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.