συμπαῖσδεν

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

Source

Greek (Liddell-Scott)

συμπαῖσδεν: Δωρ. ἀντὶ συμπαίζειν, Θεόκρ. 11. 77.

Russian (Dvoretsky)

συμπαῖσδεν: v. l. συμπαίσδεν дор. inf. к συμπαίζω.