bi-annahum
(is) because
P – prefixed preposition bi + ACC – accusative particle anna + PRON – 3rd person masculine plural object pronoun Ha
Root Link: ا ن ن
āmanū
they believed
V – 3rd person masculine plural (form IV) perfect verb + PRON – subject pronoun waw
Root Link: ا م ن
kafarū
they disbelieved
V – 3rd person masculine plural perfect verb + PRON – subject pronoun waw
Root Link: ك ف ر
faṭubiʿa
so were sealed
CAUS – prefixed particle of cause fa + V – 3rd person masculine singular passive perfect verb
Root Link: ط ب ع
qulūbihim
their hearts
N – genitive feminine plural noun + PRON – 3rd person masculine plural object pronoun Ha
Root Link: ق ل ب
fahum
so they
CONJ – prefixed conjunction fa (and) + PRON – 3rd person masculine plural personal pronoun hum
Root Link: ه م
yafqahūna
understand
V – 3rd person masculine plural imperfect verb + PRON – subject pronoun na
Root Link: ف ق ه