الْفَاءُ الزَّائِدَةُ

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

A supplemental particle

مَبْنِيٌّفَSoحَرْفٌالْفَآءُ الزَّآئِدَةُ
FixedRootParticleSupplemental particle
Surah/Below are verses in the holy Quran containing the supplemental particleالْفَآءُ الزَّآئِدَةُ
Verse
100-9Knows he not that when the contents of the graves are poured forthأَفَلَا يَعْلَمُ إِذَا بُعْثِرَ مَا فِي الْقُبُوْرِ