The word(s) "ascent" appears 2 time(s) in 2 verse(s) in Quran in Mohsin Khan translation.

(1) Will you then dispute with him (Muhammad صلى الله عليه وسلم) about what he saw [during the Mi'raj: (ascent of the Prophet صلى الله عليه وسلم to the seven heavens)]

(سورة النجم, An-Najm, Chapter #53, Verse #12)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) From Allah, the Lord of the ways of ascent.

(سورة المعارج, Al-Ma'aarij, Chapter #70, Verse #3)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)