qālū
They will say
V – 3rd person masculine plural perfect verb + PRON – subject pronoun waw
Root Link: ق و ل
ḍallū
They have departed
V – 3rd person masculine plural perfect verb + PRON – subject pronoun waw
Root Link: ض ل ل
kadhālika
Thus
P – prefixed preposition ka + DEM – masculine singular demonstrative pronoun
Root Link: ذ ل ك
l-kāfirīna
the disbelievers
DET – determiner prefix al + N – accusative masculine plural active participle
Root Link: ك ف ر