While he was in the higher [part of the] horizon. (53:7)

Almuntakhab Fi Tafsir Alquran Alkarim

At first, when he assumed the astronomical horizon

Tafseer Tafheem-ul-Quran by Syed Abu-al-A'la Maududi

(53:7) being on the higher horizon. *7

While he was in the higher [part of the] horizon. meaning

*7) The horizon means the eastern edge of the sky where the sun rises and the day dawns. The same has been referred to as ufuq mubin (bright horizon) in Surah Takvir: 23. Both the verses make it explicit that when the Holy Prophet (upon whom be peace) saw Gabriel (peace be upon him) for the first time, he had appeared on the eastern horizon of the sky; and there are several authentic Traditions which show that at that time he was in his real shape in which Allah has created him. We shall quote all such Traditions below. -
 

While he was in the higher [part of the] horizon. meaning in Urdu

وہ سامنے آ کھڑا ہوا جبکہ وہ بالائی افق پر تھا