Surah Al-Fath 48:21

وَأُخْرَىٰ لَمْ تَقْدِرُوا۟ عَلَيْهَا قَدْ أَحَاطَ ٱللَّهُ بِهَا ۚ وَكَانَ ٱللَّهُ عَلَىٰ كُلِّ شَىْءٍ قَدِيرًا

And [He promises] other [victories] that you were [so far] unable to [realize] which Allāh has already encompassed. And ever is Allāh, over all things, competent.

Translation: Saheeh International

Tafsir

and others wa-ukhrā is an adjectival qualification of the implied subject maghānima ‘spoils’ which you were not able to capture — namely spoils from the Persians and the Byzantines; God has verily encompassed these already that is to say He knows that they will be yours. …

Excerpt from Tafsir al-Jalalayn, commentary on 48:21, via Quran.com. The reader has the full commentary and 9 more tafsirs.