Crossword Genius

Worried as home is protected (7)

Ross

I believe the answer is:

alarmed

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

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

'as home is protected' is the wordplay.
I cannot really understand how this works, but
'as' could be 'ala' (French 'a la' - 'in the style of') and 'ala' is located in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for alarmed that I've seen before include "Anxious; disturb" , "Frightened, frightened by danger" , "Flapping" , "Filled with apprehension" , "like Icarus as wax melted?" .)

I've seen this clue in The Sun.
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