τετράκι
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 (Slater)
τετράκι, (ς)
1 four times κλεινᾷ τ' ἐν Ἰσθμῷ τετράκις εὐτυχέων (O. 7.81) ταὐτὰ δὲ τρὶς τετράκι τ' ἀμπολεῖν ἀπορία τελέθει (Er. Schmid: τετράκις codd.) (N. 7.104) νικαφορίαις γὰρ ὅσαις ἱπποτρόφον ἄστυ τὸ Προίτοιο θάλησεν Κορίνθου τ' ἐν μυχοῖς, καὶ Κλεωναίων πρὸς ἀνδρῶν τετράκις (N. 10.42)