ἀκιβδήλευτος
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)
ον, = sq., Ph.1.565, etc.
Greek (Liddell-Scott)
ἀκιβδήλευτος: -ον, = τῷ ἑπομ., Φίλων 1. 565, κτλ.