μαλκιώτατον

From LSJ

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

Source

Greek (Liddell-Scott)

μαλκιώτατον: «μαλακώτατον» Ἡσύχ.