innā
Indeed we
ACC – accusative particle inna + PRON – 1st person plural object pronoun ā
Root Link: ا ن ن
rabbinā
our Lord
N – genitive masculine noun + PRON – 1st person plural object pronoun nā
Root Link: ر ب ب
qamṭarīran
and distressful
ADJ – accusative masculine singular indefinite adjective
Root Link: ق م ط ر