νύκτα δι᾽ ὀρφναίην
This is the reading of the Venetus A, as well as p46, but p425 has instead the phrase νύκτα δι᾽ ἀμβροσίην. See on 10.41 for the meanings of these two formulas. See the textual commentaries on p46 and p425 on this line for more information about the textual record.