لَنَا

لَنَا is a phrase (شِبْهُ الجُمْلَةِ) a compound consisting of a particle (preposition) and a genitive noun

PhraseParticle / NounNoun Particle
شِبْهُ الجُمْلَةِجَارٌ وَمَجْرُوْرٌاسْمٌ مَجْرُوْرٌحَرْفُ جَرٍّ
PhraseCompoundGenitive NounParticle of pulling down/preposition
  
for/unto/to usلَنَا=نَا+لَ
belonging to ususfor/to/unto/belonging
Surah/Below are the 1+ verses in the holy Quran containing the phraseلَنَا
Verse
1
1
92-13and indeed, belonging to Us is the hereafter and the firstوَإِنَّ لَنَا لَلْآخِرَةَ وَالْأُوْلَى