innā
Indeed We
ACC – accusative particle inna + PRON – 1st person plural object pronoun ā
Root Link: ا ن ن
kadhālika
thus
P – prefixed preposition ka + DEM – masculine singular demonstrative pronoun
Root Link: ذ ل ك
l-muḥ'sinīna
the good-doers
DET – determiner prefix al + N – accusative masculine plural (form IV) active participle
Root Link: ح س ن