Surah Al-Kahf, Ayah 41
Quran 18:41 · The Cave · Makki · Para 15 · Page 298
اَوْ یُصْبِحَ مَآؤُهَا غَوْرًا فَلَنْ تَسْتَطِیْعَ لَهٗ طَلَبًا ۟
Transliteration
Aw yusbiha maohaghawran falan tastateeAAa lahu talaba
Saheeh International
Or its water will become sunken [into the earth], so you would never be able to seek it."
Al-Mukhtasar fi Tafsir
Or its water may sink so deep into the ground that you will never be able to reach it again in any way. Once the water sinks deep, the garden will not survive.
Tafsir Ibn Kathir (abridged)
Explains 18:37–18:41 together — read it on 18:37