fa-aqbalū
Then they advanced
REM – prefixed resumption particle fa + V – 3rd person masculine plural (form IV) perfect verb + PRON – subject pronoun waw
Root Link: ق ب ل
ilayhi
towards him
P – preposition + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ا ل ى
yaziffūna
hastening
V – 3rd person masculine plural imperfect verb + PRON – subject pronoun na
Root Link: ز ف ف