فِي دِيْنِ اللهِ

فِي دِيْنِ اللهِ is a phrase (شِبْهُ الجُمْلَةِ) consisting of a particle followed by a genitive, possessed noun and then followed by a possessive noun

PhraseParticle/Noun/NounNounNounParticle
شِبْهُ الجُمْلَةِ جَارٌ وَمَجْرُوْرٌ وَهُوَ مُضَافٌ وَ مُضَافٌ إِلَيْهِمُضَافٌ إِلَيْهِاسْمٌ مَجْرُوْرٌ وَهُوَ مَضَافٌحَرْفُ جَرٍّ
PhraseCompoundPossessive NounGenitive noun/Noun possessedParticle of pulling down
  
 فِي دِيْنِ اللهِ=اللهِ+دِيْنِ+فِي
 into the religion of Allah (SWT)Allah (SWT)the religion ofinto
Surah/Below are the 2 verses in the holy Quran containing the compoundفِيْ دِيْنِ اللهِ
Verse
1  
24-2
110-2And you see the people entering into the religion of Allah (SWT) in crowdsوَرَأَيْتَ النَّاسَ يَدْخُلُوْنَ فِيْ دِيْنِ اللهِ أَفْوَاجًا

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فِي دِيْنِ اللهِ occurrence

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