Crossword Genius

Internet transmitter doesn't start in exterior (5)

Ross

I believe the answer is:

outer

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

'exterior' is the definition.
(I've seen this in another clue)

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

Can you help me to learn more?

(Other definitions for outer that I've seen before include "Surrounding" , "Exterior or external, like space" , "Outside; external" , "Objective" , "On the periphery" .)

I've seen this clue in The Daily Express.
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.