καταστροφικῶς
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
Adv. by way of conclusion, Ath.10.453c.
Greek (Liddell-Scott)
καταστροφικῶς: ἐπίρ., κατὰ τὸν τρόπον στροφῆς ἢ συμπεράσματος, ἰδίως κατὰ τὸν τρόπον δραματικῆς καταστροφῆς, τὴν τελευτὴν κ. ποιεῖσθαι εἰς… Ἀθήν. 453C.
German (Pape)
nach Art des Wendepunkts, der Katastrophe im Drama, τὴν τελευτὴν κατ. ποιήσασθαι Ath. X.453c.