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τεθνάμεν

κόσμος σκηνή, ὁ βίος πάροδος· ἦλθες, εἶδες, ἀπῆλθες -> The world is a stage, life is a performance, you came, you saw, you departed
Democritus, fr. 115 D-K

French (Bailly abrégé)

inf. pf. épq. sync. de θνῄσκω.

Russian (Dvoretsky)

τεθνάμεν: (αι) эп. inf. pf. к θνῄσκω.