وَزَرَابِىُّ مَبْثُوثَةٌ
Sentence structure
وَزَرَابِىُّ is another coordinated nominative noun, and مَبْثُوثَةٌ is its nominative adjective.
Ayah summary
Fine carpets will be spread throughout the garden.
وَزَرَابِىُّ — And carpets
Grammar: وَ coordinates; زَرَابِىُّ is an indefinite broken-plural nominative noun.
مَبْثُوثَةٌ — spread out
Grammar: An indefinite feminine-singular nominative passive-participle adjective of زَرَابِىُّ.