Surah At-Takwir, Ayah 23
Quran 81:23 · The Overthrowing · Makki · Para 30 · Page 591
وَلَقَدْ رَاٰهُ بِالْاُفُقِ الْمُبِیْنِ ۟ۚ
Transliteration
Walaqad raahu bilofuqialmubeen
Saheeh International
And he has already seen him [i.e., Gabriel] in the clear horizon.
Al-Mukhtasar fi Tafsir
Your companion had seen Gabriel in the form that he was created in the clear horizon of the sky.
Tafsir Ibn Kathir (abridged)
Explains 81:15–81:29 together — read it on 81:15