مِن نِّعْمَةٍ

مِن نِّعْمَةٍ is a phrase (شِبْهُ الجُمْلَةِ), a compound consisting of a particle of pulling down (preposition) and a genitive noun

PhraseParticle/NounNoun Particle 
شِبْهُ الجُمْلَةِجَارٌ وَمَجْرُوْرٌاسْمٌ مَجْرُوْرٌحَرْفُ جَرٍّ
PhraseCompoundGenitive NounParticle of pulling down
  
from a favorمِن نِّعْمَةٍ=نِّعْمَةٍ+مِن
from a favora favorfrom
Surah/Below are the 2 verses in the holy Quran containing the compoundمِن نِّعْمَةٍ
Verse
  
16-53
92-19and look not to anyone with blessings amongst him for rewardوَمَا لِأَحَدٍ عِنْدَهُ مِن نِّعْمَةٍ تُجْزَى