Crossword Genius

Freud really missing regular letters from the country (5)

Ross

I believe the answer is:

rural

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

Here is my best explanation:

'from the country' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

This clue was last seen in The Telegraph