ἐννυχίζω

From LSJ

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

Source

Spanish (DGE)

(ἐννῠχίζω) velar ἐννυχίσαι νῦν πρὸς τὸ μυρίσαι νέκυν Chr.Pat.1956.