Surah Hud 11:120

وَكُلًّا نَّقُصُّ عَلَيْكَ مِنْ أَنۢبَآءِ ٱلرُّسُلِ مَا نُثَبِّتُ بِهِۦ فُؤَادَكَ ۚ وَجَآءَكَ فِى هَـٰذِهِ ٱلْحَقُّ وَمَوْعِظَةٌ وَذِكْرَىٰ لِلْمُؤْمِنِينَ

And each [story] We relate to you from the news of the messengers is that by which We make firm your heart. And there has come to you, in this, the truth and an instruction and a reminder for the believers.

Translation: Saheeh International

Tafsir

And all that kullān is in the accusative because it is the direct object of naqussu ‘We relate’; and the nunation compensates for a missing genitive annexation that is all that is necessary We relate to you of the accounts of the messengers that mā substitutes for kullan ‘all that’ with which We might strengthen …

Excerpt from Tafsir al-Jalalayn, commentary on 11:120, via Quran.com. The reader has the full commentary and 9 more tafsirs.