Surah Al-Mu'minun 23:68

أَفَلَمْ يَدَّبَّرُوا۟ ٱلْقَوْلَ أَمْ جَآءَهُم مَّا لَمْ يَأْتِ ءَابَآءَهُمُ ٱلْأَوَّلِينَ

Then have they not reflected over the word [i.e., the Qur’ān], or has there come to them that which had not come to their forefathers?

Translation: Saheeh International

Tafsir

God exalted be He says Have they not contemplated yaddabbarū should actually be yatadabbarū but the tā’ has been assimilated with the dāl the discourse namely the Qur’ān that is proof of the Prophet’s sincerity or has there come upon them that which has not come upon their forefathers?

Excerpt from Tafsir al-Jalalayn, commentary on 23:68, via Quran.com. The reader has the full commentary and 9 more tafsirs.