ἀστερίσκος
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)
ὁ, Dim. of ἀστήρ,
A little star, Call.Iamb.1.120, Hipparch.3.5.22 (pl.). 2 = ἀστερίσκιον, Eust. 424.5. II asterisk, the mark <*> by which Gramm. distinguished fine passages in Mss., Id.599.34, etc.; also used as a metrical sign, Heph.Poëm.p.74C. III = ἀστὴρ Ἀττικός, blue daisy, Thphr.HP 4.12.2, Ps.-Dsc.4.119. IV capsule of the poppy, Dsc.4.64. V small wheel with projections, Hero Aut.24.5. VI a geometrical figure, Id.*Stereom.1.77.