arsalnā
We sent
V – 1st person plural (form IV) perfect verb + PRON – 1st person plural object pronoun nā
Root Link: ر س ل
wa-akhāhu
and his brother
CONJ – prefixed conjunction wa (and) + N – nominative masculine singular noun + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ا خ و
biāyātinā
with Our Signs
P – prefixed preposition bi + N – genitive feminine plural noun + PRON – 1st person plural object pronoun nā
Root Link: ا ى ا
wasul'ṭānin
and an authority
CONJ – prefixed conjunction wa (and) + N – genitive masculine indefinite noun
Root Link: س ل ط