λέλημμαι

From LSJ

γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at

Source

French (Bailly abrégé)

pf. Pass. poét. de λαμβάνω.

Russian (Dvoretsky)

λέλημμαι: pf. pass. к λαμβάνω.