Surah Ar-Rahman 55:48

ذَوَاتَآ أَفْنَانٍ

Having [spreading] branches.

Translation: Saheeh International

Tafsir

Both with dhawātā the dual form of the regular form dhawāt with its lām its third consonant is changed into a yā’ abundant branches afnān is the plural of fanan similar in pattern to talal atlāl.

Excerpt from Tafsir al-Jalalayn, commentary on 55:48, via Quran.com. The reader has the full commentary and 9 more tafsirs.