Surah Al-Kahf 18:16
وَإِذِ ٱعْتَزَلْتُمُوهُمْ وَمَا يَعْبُدُونَ إِلَّا ٱللَّهَ فَأْوُۥٓا۟ إِلَى ٱلْكَهْفِ يَنشُرْ لَكُمْ رَبُّكُم مِّن رَّحْمَتِهِۦ وَيُهَيِّئْ لَكُم مِّنْ أَمْرِكُم مِّرْفَقًا
[The youths said to one another], "And when you have withdrawn from them and that which they worship other than Allāh, retreat to the cave. Your Lord will spread out for you of His mercy and will prepare for you from your affair facility."
Translation: Saheeh International
Tafsir
And when you withdraw from them and from that which they worship except God then take refuge in the Cave. Your Lord will reveal for you something of His mercy and prepare for you in your affair some comfort’ read mirfaqan or marfiqan that is to say something for you to find comfort in in the way of lunch or supper.
Excerpt from Tafsir al-Jalalayn, commentary on 18:16, via Quran.com. The reader has the full commentary and 9 more tafsirs.