fakadhabūhu
So they denied him
REM – prefixed resumption particle fa + V – 3rd person masculine plural (form II) perfect verb + PRON – subject pronoun waw + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ك ذ ب
fa-ahlaknāhum
then We destroyed them
REM – prefixed resumption particle fa + V – 1st person plural (form IV) perfect verb + PRON – 1st person plural object pronoun nā + PRON – 3rd person masculine plural object pronoun Ha
Root Link: ه ل ك
laāyatan
surely is a sign
EMPH – emphatic prefix lām + N – accusative feminine singular indefinite noun
Root Link: ا ى ا
aktharuhum
most of them
N – nominative masculine singular noun + PRON – 3rd person masculine plural object pronoun Ha
Root Link: ك ث ر