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θανεῖν

Γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ -> The fool laughs even when there's nothing to laugh at
Menander

French (Bailly abrégé)

épq. θανέειν;
inf. ao.2 de θνῄσκω.

Greek Monotonic

θᾰνεῖν: απαρ. αόρ. βʹ του θνῄσκω.