τύχῃσι

From LSJ

κόσμος σκηνή, ὁ βίος πάροδος· ἦλθες, εἶδες, ἀπῆλθες → The world is a stage, life is your entrance: you came, you saw, you departed (Democritus fr. 115 D-K)

Source

French (Bailly abrégé)

3ᵉ sg. épq. sbj. ao.2 de τυγχάνω;
dat. pl. ion. et épq. de τύχη.