17:106
وَقُرْءَانًا فَرَقْنَـٰهُ لِتَقْرَأَهُۥ عَلَى ٱلنَّاسِ عَلَىٰ مُكْثٍ وَنَزَّلْنَـٰهُ تَنزِيلًا
waqur'ānan faraqnāhu litaqra-ahu ʿalā l-nāsi ʿalā muk'thin wanazzalnāhu tanzīlan
And [it is] a Qur’ān which We have separated [by intervals] that you might recite it to the people over a prolonged period. And We have sent it down progressively.
— Saheeh International
it is a recitation that We have revealed in parts, so that you can recite it to people at intervals; We have sent it down little by little.
— M. A. S. Abdel Haleem
And (it is) a Qur’ân which We have divided (into parts), in order that you might recite it to men at intervals. And We have revealed it by stages (in 23 years).
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali