Al-Insan 76:23

إِنَّا نَحْنُ نَزَّلْنَا عَلَيْكَ ٱلْقُرْءَانَ تَنزِيلًا

Inna nahnu nazzalnaAAalayka alqur-ana tanzeela

Indeed, it is We who have sent down to you, [O Muḥammad], the Qur’ān progressively.

Indeed we have revealed to you the Qur’ān through a gradual process.