فَاءُ السَّبَبِيَّةِ

A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – فَآءُ السَّبَبِيَّةِ is a particle

A particle of cause

الفَاءُمَبْنِيٌّحَرْفُ النَّصْبِفَحَرْفٌحَرْفُ السَّبَبِيَّةِ
TypesFixedAccusative particleRootSoParticleParticle of cause
Surah/Below are verses in the holy Quran containing the particle of causeالفَآءُ السَّبَبِيَّةُ
Verse
And We said “O Adam! dwell you and your wife in paradise and eat from it, you both freely with pleasureوَقُلْنَا يَا ءَادَمُ اسْكُنْ أَنْتَ وَزَوْجُكَ الجَنَّةَ وَكُلَا مِنْهَا رَغَدًا
2-35as you will but come not near this tree or you both will be of the wrong doersحَيْثُ شِئْتُمَا وَلَا تَقْرَبَا هَاذِهِ الشَّجَرَةَ فَتَكُوْنَا مِنَ الظَّالِمِيْنَ
however, they denied him and killed itفَكَذَّبُوْهُ فَعَقَرُوْهَا
91-14so, their Lord destroyed them due to their sin and made them equal in destructionفَدَمْدَمَ عَلَيْهِم رَبُّهُمْ بِذَنْبِهِمْ فَسَوَّاهَا