ظَهَرْنَ مِنَ السُّوبَانِ ثُمَّ جَزَعْنَهُ عَلَى كُلِّ قَيْنِيٍّ قَشِيبٍ وَمُفْأَمِ
They emerged from the region of al-Sūbān and crossed it in fresh, spacious, carefully made travelling conveyances.
Ẓaharna min al-Sūbān shows the caravan emerging from a tract. Thumma jazaʿnahu means then traversing or crossing it; thumma marks a further stage. The expressions qaynī, qashīb, and mufʾam suggest craftsmanship, newness, and breadth in travelling equipment.
The line does not merely say the journey ended. By following a stop with renewed crossing, it closes the movement as an ongoing route.