rabbihim
their Lord
N – genitive masculine noun + PRON – 3rd person masculine plural object pronoun Ha
Root Link: ر ب ب
wa-ulāika
and those
CONJ – prefixed conjunction wa (and) + DEM – plural demonstrative pronoun
Root Link: ا و ل ا
l-muf'liḥūna
(are) the successful
DET – determiner prefix al + N – nominative masculine plural (form IV) active participle
Root Link: ف ل ح