rabbika
your Lord
N – genitive masculine noun + PRON – 2nd person masculine singular object pronoun ka
Root Link: ر ب ب
faḍlahu
His Bounty
N – accusative masculine noun + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ف ض ل
ʿalayka
upon you
P – preposition + PRON – 2nd person masculine singular object pronoun ka
Root Link: ع ل ى