κολυμβίς
From LSJ
κοινὴ γὰρ ἡ τύχη καὶ τὸ μέλλον ἀόρατον → fortune is common to all, the future is unknown | fortune is common to all and the future unknown | fate is common to all and the future unknown
English (LSJ)
ίδος, ἡ,
A diver, name of a bird, prob. grebe, Podiceps minor, Ar.Av.304, Arist.HA593b17, Alex.Mynd. ap. Ath.9.395d; cf. κολυμβάς 11.1: as Adj., κ. αἴθυιαι Arat.296.