κάστρα
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
Greek (Liddell-Scott)
κάστρα: τά, = τῷ Λατ. castra, Συλλ. Ἐπιγρ. 2972, κ. ἀλλ.· κάστρησις ἢ κάστρηνσις, ὁ, = castrensis, αὐτόθι 3888.