is'taṭāʿū
they were able to
V – 3rd person masculine plural (form X) perfect verb + PRON – subject pronoun waw
Root Link: ط و ع
kānū
they could
V – 3rd person masculine plural perfect verb + PRON – subject pronoun waw
Root Link: ك و ن
muntaṣirīna
help themselves
N – accusative masculine plural (form VIII) active participle
Root Link: ن ص ر