Sense

1. (with genitive) just before

Examples

• ἤλιθα δὲ χθὼν αἰὲν ὑποπρὸ ποδῶν ἀμαρύσσετο νισσομένοιο. (Apollodorus, Argonautica, book 4 3:29)

Source: Ancient Greek entries from Wiktionary