It's beyond doubt brute gets head right in Arabian accommodation (12)

I believe the answer is:

demonstrable

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

'right in arabian accommodation' is the definition.
Both the definition and answer are adjectives. Perhaps there's an association between them I don't understand?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for demonstrable that I've seen before include "Able to be proved" , "Verifiable" , "clear" .)

I've seen this clue in The Irish Times.

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.