Surah Al-Inshiqaq 84:19

لَتَرْكَبُنَّ طَبَقًا عَن طَبَقٍ

[That] you will surely embark upon [i.e., experience] state after state.

Translation: Saheeh International

Tafsir

you will surely journey tarkabunna is actually tarkabūnanna but the nūn of the indicative has been omitted because of two identical letters following one another and the wāw is omitted because of two unvocalised consonants coming together from stage to stage state after state namely death then life then what comes …

Excerpt from Tafsir al-Jalalayn, commentary on 84:19, via Quran.com. The reader has the full commentary and 9 more tafsirs.