«وَإِذَا نَزَلْنَا مَنْزِلًا أَوْ وَرَدْنَا مَنْهَلًا»
Whenever we halted at a lodging place or arrived at a water stop.
Manzil is a place where travellers stop; manhal is a place they reach for water. They are related in travel but not exact synonyms.
Nazalnā and waradnā are first-person plural past verbs. Their pairing, with the similarly sounding nouns, creates precise and measured narrative movement.