arsalnāhu
We sent him
V – 1st person plural (form IV) perfect verb + PRON – 1st person plural object pronoun nā + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ر س ل
bisul'ṭānin
with an authority
P – prefixed preposition bi + N – genitive masculine indefinite noun
Root Link: س ل ط