18:93
حَتَّىٰٓ إِذَا بَلَغَ بَيْنَ ٱلسَّدَّيْنِ وَجَدَ مِن دُونِهِمَا قَوْمًا لَّا يَكَادُونَ يَفْقَهُونَ قَوْلًا
ḥattā idhā balagha bayna l-sadayni wajada min dūnihimā qawman lā yakādūna yafqahūna qawlan
then, when he reached a place between two mountain barriers, he found beside them a people who could barely understand him.
Until, when he reached between two mountains, he found, before (near) them (those two mountains), a people who scarcely understood a word.